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> |
11d8f3dd | 23 | #include <linux/phy.h> |
96567d5d | 24 | #include <net/devlink.h> |
f0c24ccf | 25 | #include <net/switchdev.h> |
cf50dcc2 | 26 | |
f50f2127 | 27 | struct tc_action; |
4d56a29f RK |
28 | struct phy_device; |
29 | struct fixed_phy_status; | |
11d8f3dd | 30 | struct phylink_link_state; |
f50f2127 | 31 | |
ac7a04c3 FF |
32 | enum dsa_tag_protocol { |
33 | DSA_TAG_PROTO_NONE = 0, | |
eb7b7211 | 34 | DSA_TAG_PROTO_BRCM, |
b74b70c4 | 35 | DSA_TAG_PROTO_BRCM_PREPEND, |
ac7a04c3 | 36 | DSA_TAG_PROTO_DSA, |
ac7a04c3 | 37 | DSA_TAG_PROTO_EDSA, |
8b8010fb | 38 | DSA_TAG_PROTO_KSZ, |
e8fe177a | 39 | DSA_TAG_PROTO_LAN9303, |
eb7b7211 AL |
40 | DSA_TAG_PROTO_MTK, |
41 | DSA_TAG_PROTO_QCA, | |
42 | DSA_TAG_PROTO_TRAILER, | |
39a7f2a4 | 43 | DSA_TAG_LAST, /* MUST BE LAST */ |
ac7a04c3 | 44 | }; |
5037d532 | 45 | |
e84665c9 LB |
46 | #define DSA_MAX_SWITCHES 4 |
47 | #define DSA_MAX_PORTS 12 | |
48 | ||
d390238c VD |
49 | #define DSA_RTABLE_NONE -1 |
50 | ||
e84665c9 LB |
51 | struct dsa_chip_data { |
52 | /* | |
53 | * How to access the switch configuration registers. | |
54 | */ | |
b4d2394d | 55 | struct device *host_dev; |
e84665c9 LB |
56 | int sw_addr; |
57 | ||
71e0bbde FF |
58 | /* |
59 | * Reference to network devices | |
60 | */ | |
61 | struct device *netdev[DSA_MAX_PORTS]; | |
62 | ||
6793abb4 GR |
63 | /* set to size of eeprom if supported by the switch */ |
64 | int eeprom_len; | |
65 | ||
fa981d9a FF |
66 | /* Device tree node pointer for this specific switch chip |
67 | * used during switch setup in case additional properties | |
68 | * and resources needs to be used | |
69 | */ | |
70 | struct device_node *of_node; | |
71 | ||
e84665c9 LB |
72 | /* |
73 | * The names of the switch's ports. Use "cpu" to | |
74 | * designate the switch port that the cpu is connected to, | |
75 | * "dsa" to indicate that this port is a DSA link to | |
76 | * another switch, NULL to indicate the port is unused, | |
77 | * or any other string to indicate this is a physical port. | |
78 | */ | |
79 | char *port_names[DSA_MAX_PORTS]; | |
bd47497a | 80 | struct device_node *port_dn[DSA_MAX_PORTS]; |
e84665c9 LB |
81 | |
82 | /* | |
4a7704ff AL |
83 | * An array of which element [a] indicates which port on this |
84 | * switch should be used to send packets to that are destined | |
85 | * for switch a. Can be NULL if there is only one switch chip. | |
e84665c9 | 86 | */ |
4a7704ff | 87 | s8 rtable[DSA_MAX_SWITCHES]; |
e84665c9 | 88 | }; |
91da11f8 LB |
89 | |
90 | struct dsa_platform_data { | |
91 | /* | |
92 | * Reference to a Linux network interface that connects | |
e84665c9 | 93 | * to the root switch chip of the tree. |
91da11f8 LB |
94 | */ |
95 | struct device *netdev; | |
769a0202 | 96 | struct net_device *of_netdev; |
91da11f8 LB |
97 | |
98 | /* | |
e84665c9 LB |
99 | * Info structs describing each of the switch chips |
100 | * connected via this network interface. | |
91da11f8 | 101 | */ |
e84665c9 LB |
102 | int nr_chips; |
103 | struct dsa_chip_data *chip; | |
91da11f8 LB |
104 | }; |
105 | ||
5075314e | 106 | struct packet_type; |
90af1059 | 107 | struct dsa_switch; |
3e8a72d1 | 108 | |
68277a2c JC |
109 | struct dsa_device_ops { |
110 | struct sk_buff *(*xmit)(struct sk_buff *skb, struct net_device *dev); | |
111 | struct sk_buff *(*rcv)(struct sk_buff *skb, struct net_device *dev, | |
89e49506 | 112 | struct packet_type *pt); |
598a9680 JC |
113 | int (*flow_dissect)(const struct sk_buff *skb, __be16 *proto, |
114 | int *offset); | |
68277a2c JC |
115 | }; |
116 | ||
cf50dcc2 | 117 | struct dsa_switch_tree { |
83c0afae AL |
118 | struct list_head list; |
119 | ||
f515f192 VD |
120 | /* Notifier chain for switch-wide events */ |
121 | struct raw_notifier_head nh; | |
122 | ||
83c0afae | 123 | /* Tree identifier */ |
49463b7f | 124 | unsigned int index; |
83c0afae AL |
125 | |
126 | /* Number of switches attached to this tree */ | |
127 | struct kref refcount; | |
128 | ||
129 | /* Has this tree been applied to the hardware? */ | |
ec15dd42 | 130 | bool setup; |
83c0afae | 131 | |
cf50dcc2 BH |
132 | /* |
133 | * Configuration data for the platform device that owns | |
134 | * this dsa switch tree instance. | |
135 | */ | |
136 | struct dsa_platform_data *pd; | |
137 | ||
cf50dcc2 | 138 | /* |
8b0d3ea5 | 139 | * The switch port to which the CPU is attached. |
cf50dcc2 | 140 | */ |
8b0d3ea5 | 141 | struct dsa_port *cpu_dp; |
cf50dcc2 | 142 | |
cf50dcc2 BH |
143 | /* |
144 | * Data for the individual switch chips. | |
145 | */ | |
146 | struct dsa_switch *ds[DSA_MAX_SWITCHES]; | |
147 | }; | |
148 | ||
f50f2127 FF |
149 | /* TC matchall action types, only mirroring for now */ |
150 | enum dsa_port_mall_action_type { | |
151 | DSA_PORT_MALL_MIRROR, | |
152 | }; | |
153 | ||
154 | /* TC mirroring entry */ | |
155 | struct dsa_mall_mirror_tc_entry { | |
156 | u8 to_local_port; | |
157 | bool ingress; | |
158 | }; | |
159 | ||
160 | /* TC matchall entry */ | |
161 | struct dsa_mall_tc_entry { | |
162 | struct list_head list; | |
163 | unsigned long cookie; | |
164 | enum dsa_port_mall_action_type type; | |
165 | union { | |
166 | struct dsa_mall_mirror_tc_entry mirror; | |
167 | }; | |
168 | }; | |
169 | ||
170 | ||
c8b09808 | 171 | struct dsa_port { |
f8b8b1cd VD |
172 | /* A CPU port is physically connected to a master device. |
173 | * A user port exposed to userspace has a slave device. | |
174 | */ | |
175 | union { | |
176 | struct net_device *master; | |
177 | struct net_device *slave; | |
178 | }; | |
179 | ||
15240248 VD |
180 | /* CPU port tagging operations used by master or slave devices */ |
181 | const struct dsa_device_ops *tag_ops; | |
182 | ||
3e41f93b VD |
183 | /* Copies for faster access in master receive hot path */ |
184 | struct dsa_switch_tree *dst; | |
185 | struct sk_buff *(*rcv)(struct sk_buff *skb, struct net_device *dev, | |
186 | struct packet_type *pt); | |
187 | ||
057cad2c VD |
188 | enum { |
189 | DSA_PORT_TYPE_UNUSED = 0, | |
190 | DSA_PORT_TYPE_CPU, | |
191 | DSA_PORT_TYPE_DSA, | |
192 | DSA_PORT_TYPE_USER, | |
193 | } type; | |
194 | ||
818be848 VD |
195 | struct dsa_switch *ds; |
196 | unsigned int index; | |
71e0bbde | 197 | const char *name; |
24a9332a | 198 | const struct dsa_port *cpu_dp; |
189b0d93 | 199 | struct device_node *dn; |
34a79f63 | 200 | unsigned int ageing_time; |
732f794c | 201 | u8 stp_state; |
a5e9a02e | 202 | struct net_device *bridge_dev; |
96567d5d | 203 | struct devlink_port devlink_port; |
aab9c406 | 204 | struct phylink *pl; |
67dbb9d4 FF |
205 | /* |
206 | * Original copy of the master netdev ethtool_ops | |
207 | */ | |
67dbb9d4 | 208 | const struct ethtool_ops *orig_ethtool_ops; |
c8b09808 AL |
209 | }; |
210 | ||
c8f0b869 | 211 | struct dsa_switch { |
c33063d6 AL |
212 | struct device *dev; |
213 | ||
c8f0b869 BH |
214 | /* |
215 | * Parent switch tree, and switch index. | |
216 | */ | |
217 | struct dsa_switch_tree *dst; | |
99feaafc | 218 | unsigned int index; |
c8f0b869 | 219 | |
f515f192 VD |
220 | /* Listener for switch fabric events */ |
221 | struct notifier_block nb; | |
222 | ||
7543a6d5 AL |
223 | /* |
224 | * Give the switch driver somewhere to hang its private data | |
225 | * structure. | |
226 | */ | |
227 | void *priv; | |
228 | ||
c8f0b869 BH |
229 | /* |
230 | * Configuration data for this switch. | |
231 | */ | |
ff04955c | 232 | struct dsa_chip_data *cd; |
c8f0b869 BH |
233 | |
234 | /* | |
9d490b4e | 235 | * The switch operations. |
c8f0b869 | 236 | */ |
a82f67af | 237 | const struct dsa_switch_ops *ops; |
c8f0b869 | 238 | |
66472fc0 AL |
239 | /* |
240 | * An array of which element [a] indicates which port on this | |
241 | * switch should be used to send packets to that are destined | |
242 | * for switch a. Can be NULL if there is only one switch chip. | |
243 | */ | |
244 | s8 rtable[DSA_MAX_SWITCHES]; | |
245 | ||
c8f0b869 BH |
246 | /* |
247 | * Slave mii_bus and devices for the individual ports. | |
248 | */ | |
0d8bcdd3 | 249 | u32 phys_mii_mask; |
c8f0b869 | 250 | struct mii_bus *slave_mii_bus; |
a0c02161 | 251 | |
0f3da6af VD |
252 | /* Ageing Time limits in msecs */ |
253 | unsigned int ageing_time_min; | |
254 | unsigned int ageing_time_max; | |
255 | ||
96567d5d AL |
256 | /* devlink used to represent this switch device */ |
257 | struct devlink *devlink; | |
258 | ||
55199df6 FF |
259 | /* Number of switch port queues */ |
260 | unsigned int num_tx_queues; | |
261 | ||
a0c02161 VD |
262 | /* Dynamically allocated ports, keep last */ |
263 | size_t num_ports; | |
264 | struct dsa_port ports[]; | |
c8f0b869 BH |
265 | }; |
266 | ||
c38c5a66 | 267 | static inline const struct dsa_port *dsa_to_port(struct dsa_switch *ds, int p) |
bff7b688 | 268 | { |
c38c5a66 VD |
269 | return &ds->ports[p]; |
270 | } | |
bff7b688 | 271 | |
c38c5a66 VD |
272 | static inline bool dsa_is_unused_port(struct dsa_switch *ds, int p) |
273 | { | |
274 | return dsa_to_port(ds, p)->type == DSA_PORT_TYPE_UNUSED; | |
bff7b688 VD |
275 | } |
276 | ||
c8f0b869 BH |
277 | static inline bool dsa_is_cpu_port(struct dsa_switch *ds, int p) |
278 | { | |
c38c5a66 | 279 | return dsa_to_port(ds, p)->type == DSA_PORT_TYPE_CPU; |
c8f0b869 BH |
280 | } |
281 | ||
60045cbf AL |
282 | static inline bool dsa_is_dsa_port(struct dsa_switch *ds, int p) |
283 | { | |
c38c5a66 | 284 | return dsa_to_port(ds, p)->type == DSA_PORT_TYPE_DSA; |
60045cbf AL |
285 | } |
286 | ||
2b3e9891 | 287 | static inline bool dsa_is_user_port(struct dsa_switch *ds, int p) |
6cd456f3 | 288 | { |
c38c5a66 | 289 | return dsa_to_port(ds, p)->type == DSA_PORT_TYPE_USER; |
6cd456f3 VD |
290 | } |
291 | ||
02bc6e54 VD |
292 | static inline u32 dsa_user_ports(struct dsa_switch *ds) |
293 | { | |
c38c5a66 VD |
294 | u32 mask = 0; |
295 | int p; | |
02bc6e54 | 296 | |
c38c5a66 VD |
297 | for (p = 0; p < ds->num_ports; p++) |
298 | if (dsa_is_user_port(ds, p)) | |
299 | mask |= BIT(p); | |
300 | ||
301 | return mask; | |
c8652c83 VD |
302 | } |
303 | ||
3b8fac5d VD |
304 | /* Return the local port used to reach an arbitrary switch port */ |
305 | static inline unsigned int dsa_towards_port(struct dsa_switch *ds, int device, | |
306 | int port) | |
307 | { | |
308 | if (device == ds->index) | |
309 | return port; | |
310 | else | |
311 | return ds->rtable[device]; | |
312 | } | |
313 | ||
314 | /* Return the local port used to reach the dedicated CPU port */ | |
07073c79 | 315 | static inline unsigned int dsa_upstream_port(struct dsa_switch *ds, int port) |
c8f0b869 | 316 | { |
07073c79 VD |
317 | const struct dsa_port *dp = dsa_to_port(ds, port); |
318 | const struct dsa_port *cpu_dp = dp->cpu_dp; | |
319 | ||
320 | if (!cpu_dp) | |
321 | return port; | |
c8f0b869 | 322 | |
3b8fac5d | 323 | return dsa_towards_port(ds, cpu_dp->ds->index, cpu_dp->index); |
c8f0b869 BH |
324 | } |
325 | ||
2bedde1a AS |
326 | typedef int dsa_fdb_dump_cb_t(const unsigned char *addr, u16 vid, |
327 | bool is_static, void *data); | |
9d490b4e | 328 | struct dsa_switch_ops { |
2a93c1a3 | 329 | #if IS_ENABLED(CONFIG_NET_DSA_LEGACY) |
c8f0b869 | 330 | /* |
a6a71f19 | 331 | * Legacy probing. |
c8f0b869 | 332 | */ |
0209d144 VD |
333 | const char *(*probe)(struct device *dsa_dev, |
334 | struct device *host_dev, int sw_addr, | |
335 | void **priv); | |
2a93c1a3 | 336 | #endif |
7b314362 | 337 | |
5ed4e3eb FF |
338 | enum dsa_tag_protocol (*get_tag_protocol)(struct dsa_switch *ds, |
339 | int port); | |
7b314362 | 340 | |
c8f0b869 | 341 | int (*setup)(struct dsa_switch *ds); |
6819563e | 342 | u32 (*get_phy_flags)(struct dsa_switch *ds, int port); |
c8f0b869 BH |
343 | |
344 | /* | |
345 | * Access to the switch's PHY registers. | |
346 | */ | |
347 | int (*phy_read)(struct dsa_switch *ds, int port, int regnum); | |
348 | int (*phy_write)(struct dsa_switch *ds, int port, | |
349 | int regnum, u16 val); | |
350 | ||
ec9436ba FF |
351 | /* |
352 | * Link state adjustment (called from libphy) | |
353 | */ | |
354 | void (*adjust_link)(struct dsa_switch *ds, int port, | |
355 | struct phy_device *phydev); | |
ce31b31c FF |
356 | void (*fixed_link_update)(struct dsa_switch *ds, int port, |
357 | struct fixed_phy_status *st); | |
ec9436ba | 358 | |
11d8f3dd FF |
359 | /* |
360 | * PHYLINK integration | |
361 | */ | |
362 | void (*phylink_validate)(struct dsa_switch *ds, int port, | |
363 | unsigned long *supported, | |
364 | struct phylink_link_state *state); | |
365 | int (*phylink_mac_link_state)(struct dsa_switch *ds, int port, | |
366 | struct phylink_link_state *state); | |
367 | void (*phylink_mac_config)(struct dsa_switch *ds, int port, | |
368 | unsigned int mode, | |
369 | const struct phylink_link_state *state); | |
370 | void (*phylink_mac_an_restart)(struct dsa_switch *ds, int port); | |
371 | void (*phylink_mac_link_down)(struct dsa_switch *ds, int port, | |
372 | unsigned int mode, | |
373 | phy_interface_t interface); | |
374 | void (*phylink_mac_link_up)(struct dsa_switch *ds, int port, | |
375 | unsigned int mode, | |
376 | phy_interface_t interface, | |
377 | struct phy_device *phydev); | |
378 | void (*phylink_fixed_state)(struct dsa_switch *ds, int port, | |
379 | struct phylink_link_state *state); | |
c8f0b869 BH |
380 | /* |
381 | * ethtool hardware statistics. | |
382 | */ | |
89f09048 FF |
383 | void (*get_strings)(struct dsa_switch *ds, int port, |
384 | u32 stringset, uint8_t *data); | |
c8f0b869 BH |
385 | void (*get_ethtool_stats)(struct dsa_switch *ds, |
386 | int port, uint64_t *data); | |
89f09048 | 387 | int (*get_sset_count)(struct dsa_switch *ds, int port, int sset); |
cf963573 FF |
388 | void (*get_ethtool_phy_stats)(struct dsa_switch *ds, |
389 | int port, uint64_t *data); | |
24462549 | 390 | |
19e57c4e FF |
391 | /* |
392 | * ethtool Wake-on-LAN | |
393 | */ | |
394 | void (*get_wol)(struct dsa_switch *ds, int port, | |
395 | struct ethtool_wolinfo *w); | |
396 | int (*set_wol)(struct dsa_switch *ds, int port, | |
397 | struct ethtool_wolinfo *w); | |
398 | ||
0336369d BS |
399 | /* |
400 | * ethtool timestamp info | |
401 | */ | |
402 | int (*get_ts_info)(struct dsa_switch *ds, int port, | |
403 | struct ethtool_ts_info *ts); | |
404 | ||
24462549 FF |
405 | /* |
406 | * Suspend and resume | |
407 | */ | |
408 | int (*suspend)(struct dsa_switch *ds); | |
409 | int (*resume)(struct dsa_switch *ds); | |
b2f2af21 FF |
410 | |
411 | /* | |
412 | * Port enable/disable | |
413 | */ | |
414 | int (*port_enable)(struct dsa_switch *ds, int port, | |
415 | struct phy_device *phy); | |
416 | void (*port_disable)(struct dsa_switch *ds, int port, | |
417 | struct phy_device *phy); | |
7905288f FF |
418 | |
419 | /* | |
08f50061 | 420 | * Port's MAC EEE settings |
7905288f | 421 | */ |
08f50061 VD |
422 | int (*set_mac_eee)(struct dsa_switch *ds, int port, |
423 | struct ethtool_eee *e); | |
424 | int (*get_mac_eee)(struct dsa_switch *ds, int port, | |
425 | struct ethtool_eee *e); | |
51579c3f | 426 | |
6793abb4 GR |
427 | /* EEPROM access */ |
428 | int (*get_eeprom_len)(struct dsa_switch *ds); | |
429 | int (*get_eeprom)(struct dsa_switch *ds, | |
430 | struct ethtool_eeprom *eeprom, u8 *data); | |
431 | int (*set_eeprom)(struct dsa_switch *ds, | |
432 | struct ethtool_eeprom *eeprom, u8 *data); | |
3d762a0f GR |
433 | |
434 | /* | |
435 | * Register access. | |
436 | */ | |
437 | int (*get_regs_len)(struct dsa_switch *ds, int port); | |
438 | void (*get_regs)(struct dsa_switch *ds, int port, | |
439 | struct ethtool_regs *regs, void *p); | |
b73adef6 FF |
440 | |
441 | /* | |
442 | * Bridge integration | |
443 | */ | |
34a79f63 | 444 | int (*set_ageing_time)(struct dsa_switch *ds, unsigned int msecs); |
71327a4e | 445 | int (*port_bridge_join)(struct dsa_switch *ds, int port, |
a6692754 | 446 | struct net_device *bridge); |
f123f2fb VD |
447 | void (*port_bridge_leave)(struct dsa_switch *ds, int port, |
448 | struct net_device *bridge); | |
43c44a9f VD |
449 | void (*port_stp_state_set)(struct dsa_switch *ds, int port, |
450 | u8 state); | |
732f794c | 451 | void (*port_fast_age)(struct dsa_switch *ds, int port); |
2a778e1b | 452 | |
11149536 VD |
453 | /* |
454 | * VLAN support | |
455 | */ | |
fb2dabad VD |
456 | int (*port_vlan_filtering)(struct dsa_switch *ds, int port, |
457 | bool vlan_filtering); | |
80e02360 VD |
458 | int (*port_vlan_prepare)(struct dsa_switch *ds, int port, |
459 | const struct switchdev_obj_port_vlan *vlan); | |
460 | void (*port_vlan_add)(struct dsa_switch *ds, int port, | |
461 | const struct switchdev_obj_port_vlan *vlan); | |
76e398a6 VD |
462 | int (*port_vlan_del)(struct dsa_switch *ds, int port, |
463 | const struct switchdev_obj_port_vlan *vlan); | |
2a778e1b VD |
464 | /* |
465 | * Forwarding database | |
466 | */ | |
1b6dd556 | 467 | int (*port_fdb_add)(struct dsa_switch *ds, int port, |
6c2c1dcb | 468 | const unsigned char *addr, u16 vid); |
2a778e1b | 469 | int (*port_fdb_del)(struct dsa_switch *ds, int port, |
6c2c1dcb | 470 | const unsigned char *addr, u16 vid); |
ea70ba98 | 471 | int (*port_fdb_dump)(struct dsa_switch *ds, int port, |
2bedde1a | 472 | dsa_fdb_dump_cb_t *cb, void *data); |
8df30255 VD |
473 | |
474 | /* | |
475 | * Multicast database | |
476 | */ | |
3709aadc VD |
477 | int (*port_mdb_prepare)(struct dsa_switch *ds, int port, |
478 | const struct switchdev_obj_port_mdb *mdb); | |
479 | void (*port_mdb_add)(struct dsa_switch *ds, int port, | |
480 | const struct switchdev_obj_port_mdb *mdb); | |
8df30255 VD |
481 | int (*port_mdb_del)(struct dsa_switch *ds, int port, |
482 | const struct switchdev_obj_port_mdb *mdb); | |
bf9f2648 FF |
483 | /* |
484 | * RXNFC | |
485 | */ | |
486 | int (*get_rxnfc)(struct dsa_switch *ds, int port, | |
487 | struct ethtool_rxnfc *nfc, u32 *rule_locs); | |
488 | int (*set_rxnfc)(struct dsa_switch *ds, int port, | |
489 | struct ethtool_rxnfc *nfc); | |
f50f2127 FF |
490 | |
491 | /* | |
492 | * TC integration | |
493 | */ | |
494 | int (*port_mirror_add)(struct dsa_switch *ds, int port, | |
495 | struct dsa_mall_mirror_tc_entry *mirror, | |
496 | bool ingress); | |
497 | void (*port_mirror_del)(struct dsa_switch *ds, int port, | |
498 | struct dsa_mall_mirror_tc_entry *mirror); | |
40ef2c93 VD |
499 | |
500 | /* | |
501 | * Cross-chip operations | |
502 | */ | |
503 | int (*crosschip_bridge_join)(struct dsa_switch *ds, int sw_index, | |
504 | int port, struct net_device *br); | |
505 | void (*crosschip_bridge_leave)(struct dsa_switch *ds, int sw_index, | |
506 | int port, struct net_device *br); | |
0336369d BS |
507 | |
508 | /* | |
509 | * PTP functionality | |
510 | */ | |
511 | int (*port_hwtstamp_get)(struct dsa_switch *ds, int port, | |
512 | struct ifreq *ifr); | |
513 | int (*port_hwtstamp_set)(struct dsa_switch *ds, int port, | |
514 | struct ifreq *ifr); | |
90af1059 BS |
515 | bool (*port_txtstamp)(struct dsa_switch *ds, int port, |
516 | struct sk_buff *clone, unsigned int type); | |
517 | bool (*port_rxtstamp)(struct dsa_switch *ds, int port, | |
518 | struct sk_buff *skb, unsigned int type); | |
c8f0b869 BH |
519 | }; |
520 | ||
ab3d408d FF |
521 | struct dsa_switch_driver { |
522 | struct list_head list; | |
a82f67af | 523 | const struct dsa_switch_ops *ops; |
ab3d408d FF |
524 | }; |
525 | ||
2a93c1a3 | 526 | #if IS_ENABLED(CONFIG_NET_DSA_LEGACY) |
a6a71f19 | 527 | /* Legacy driver registration */ |
ab3d408d FF |
528 | void register_switch_driver(struct dsa_switch_driver *type); |
529 | void unregister_switch_driver(struct dsa_switch_driver *type); | |
b4d2394d | 530 | struct mii_bus *dsa_host_dev_to_mii_bus(struct device *dev); |
a6a71f19 | 531 | |
2a93c1a3 FF |
532 | #else |
533 | static inline void register_switch_driver(struct dsa_switch_driver *type) { } | |
534 | static inline void unregister_switch_driver(struct dsa_switch_driver *type) { } | |
535 | static inline struct mii_bus *dsa_host_dev_to_mii_bus(struct device *dev) | |
536 | { | |
537 | return NULL; | |
538 | } | |
539 | #endif | |
14b89f36 | 540 | struct net_device *dsa_dev_to_net_device(struct device *dev); |
c8f0b869 | 541 | |
73a7ece8 | 542 | /* Keep inline for faster access in hot path */ |
c6e970a0 AL |
543 | static inline bool netdev_uses_dsa(struct net_device *dev) |
544 | { | |
545 | #if IS_ENABLED(CONFIG_NET_DSA) | |
717ffbfb | 546 | return dev->dsa_ptr && dev->dsa_ptr->rcv; |
c6e970a0 AL |
547 | #endif |
548 | return false; | |
549 | } | |
550 | ||
a0c02161 | 551 | struct dsa_switch *dsa_switch_alloc(struct device *dev, size_t n); |
83c0afae | 552 | void dsa_unregister_switch(struct dsa_switch *ds); |
23c9ee49 | 553 | int dsa_register_switch(struct dsa_switch *ds); |
ea825e70 FF |
554 | #ifdef CONFIG_PM_SLEEP |
555 | int dsa_switch_suspend(struct dsa_switch *ds); | |
556 | int dsa_switch_resume(struct dsa_switch *ds); | |
557 | #else | |
558 | static inline int dsa_switch_suspend(struct dsa_switch *ds) | |
559 | { | |
560 | return 0; | |
561 | } | |
562 | static inline int dsa_switch_resume(struct dsa_switch *ds) | |
563 | { | |
564 | return 0; | |
565 | } | |
566 | #endif /* CONFIG_PM_SLEEP */ | |
567 | ||
60724d4b FF |
568 | enum dsa_notifier_type { |
569 | DSA_PORT_REGISTER, | |
570 | DSA_PORT_UNREGISTER, | |
571 | }; | |
572 | ||
573 | struct dsa_notifier_info { | |
574 | struct net_device *dev; | |
575 | }; | |
576 | ||
577 | struct dsa_notifier_register_info { | |
578 | struct dsa_notifier_info info; /* must be first */ | |
579 | struct net_device *master; | |
580 | unsigned int port_number; | |
581 | unsigned int switch_number; | |
582 | }; | |
583 | ||
584 | static inline struct net_device * | |
585 | dsa_notifier_info_to_dev(const struct dsa_notifier_info *info) | |
586 | { | |
587 | return info->dev; | |
588 | } | |
589 | ||
590 | #if IS_ENABLED(CONFIG_NET_DSA) | |
591 | int register_dsa_notifier(struct notifier_block *nb); | |
592 | int unregister_dsa_notifier(struct notifier_block *nb); | |
593 | int call_dsa_notifiers(unsigned long val, struct net_device *dev, | |
594 | struct dsa_notifier_info *info); | |
595 | #else | |
596 | static inline int register_dsa_notifier(struct notifier_block *nb) | |
597 | { | |
598 | return 0; | |
599 | } | |
600 | ||
601 | static inline int unregister_dsa_notifier(struct notifier_block *nb) | |
602 | { | |
603 | return 0; | |
604 | } | |
605 | ||
606 | static inline int call_dsa_notifiers(unsigned long val, struct net_device *dev, | |
607 | struct dsa_notifier_info *info) | |
608 | { | |
609 | return NOTIFY_DONE; | |
610 | } | |
611 | #endif | |
612 | ||
0a5f14ce FF |
613 | /* Broadcom tag specific helpers to insert and extract queue/port number */ |
614 | #define BRCM_TAG_SET_PORT_QUEUE(p, q) ((p) << 8 | q) | |
615 | #define BRCM_TAG_GET_PORT(v) ((v) >> 8) | |
616 | #define BRCM_TAG_GET_QUEUE(v) ((v) & 0xff) | |
617 | ||
cf963573 FF |
618 | |
619 | int dsa_port_get_phy_strings(struct dsa_port *dp, uint8_t *data); | |
620 | int dsa_port_get_ethtool_phy_stats(struct dsa_port *dp, uint64_t *data); | |
621 | int dsa_port_get_phy_sset_count(struct dsa_port *dp); | |
11d8f3dd | 622 | void dsa_port_phylink_mac_change(struct dsa_switch *ds, int port, bool up); |
cf963573 | 623 | |
91da11f8 | 624 | #endif |