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net: dsa: don't advertise 'rx-vlan-filter' when not needed
[mirror_ubuntu-jammy-kernel.git] / net / dsa / dsa_priv.h
CommitLineData
2874c5fd 1/* SPDX-License-Identifier: GPL-2.0-or-later */
91da11f8
LB		 2/*
3 * net/dsa/dsa_priv.h - Hardware switch handling
e84665c9 4 * Copyright (c) 2008-2009 Marvell Semiconductor
91da11f8
LB		 5 */
6
7#ifndef __DSA_PRIV_H
8#define __DSA_PRIV_H
9
412a1526 10#include <linux/if_bridge.h>
91da11f8 11#include <linux/phy.h>
5075314e 12#include <linux/netdevice.h>
04ff53f9 13#include <linux/netpoll.h>
ea5dd34b 14#include <net/dsa.h>
e131a563 15#include <net/gro_cells.h>
5075314e 16
123abc06
VO		 17#define DSA_MAX_NUM_OFFLOADING_BRIDGES BITS_PER_LONG
18
52c96f9d 19enum {
1faabf74 20 DSA_NOTIFIER_AGEING_TIME,
52c96f9d
VD		 21 DSA_NOTIFIER_BRIDGE_JOIN,
22 DSA_NOTIFIER_BRIDGE_LEAVE,
685fb6a4
VD		 23 DSA_NOTIFIER_FDB_ADD,
24 DSA_NOTIFIER_FDB_DEL,
3dc80afc
VO		 25 DSA_NOTIFIER_HOST_FDB_ADD,
26 DSA_NOTIFIER_HOST_FDB_DEL,
18596f50
GM		 27 DSA_NOTIFIER_HSR_JOIN,
28 DSA_NOTIFIER_HSR_LEAVE,
058102a6
TW		 29 DSA_NOTIFIER_LAG_CHANGE,
30 DSA_NOTIFIER_LAG_JOIN,
31 DSA_NOTIFIER_LAG_LEAVE,
8ae5bcdc
VD		 32 DSA_NOTIFIER_MDB_ADD,
33 DSA_NOTIFIER_MDB_DEL,
b8e997c4
VO		 34 DSA_NOTIFIER_HOST_MDB_ADD,
35 DSA_NOTIFIER_HOST_MDB_DEL,
d0c627b8
VD		 36 DSA_NOTIFIER_VLAN_ADD,
37 DSA_NOTIFIER_VLAN_DEL,
bfcb8132 38 DSA_NOTIFIER_MTU,
53da0eba 39 DSA_NOTIFIER_TAG_PROTO,
c595c433
HV		 40 DSA_NOTIFIER_MRP_ADD,
41 DSA_NOTIFIER_MRP_DEL,
42 DSA_NOTIFIER_MRP_ADD_RING_ROLE,
43 DSA_NOTIFIER_MRP_DEL_RING_ROLE,
c64b9c05
VO		 44 DSA_NOTIFIER_TAG_8021Q_VLAN_ADD,
45 DSA_NOTIFIER_TAG_8021Q_VLAN_DEL,
52c96f9d
VD		 46};
47
1faabf74
VD		 48/* DSA_NOTIFIER_AGEING_TIME */
49struct dsa_notifier_ageing_time_info {
1faabf74 50 unsigned int ageing_time;
1faabf74
VD		 51};
52
52c96f9d
VD		 53/* DSA_NOTIFIER_BRIDGE_* */
54struct dsa_notifier_bridge_info {
55 struct net_device *br;
f66a6a69 56 int tree_index;
52c96f9d
VD		 57 int sw_index;
58 int port;
59};
60
685fb6a4
VD		 61/* DSA_NOTIFIER_FDB_* */
62struct dsa_notifier_fdb_info {
685fb6a4
VD		 63 int sw_index;
64 int port;
2acf4e6a
AS		 65 const unsigned char *addr;
66 u16 vid;
685fb6a4
VD		 67};
68
8ae5bcdc
VD		 69/* DSA_NOTIFIER_MDB_* */
70struct dsa_notifier_mdb_info {
71 const struct switchdev_obj_port_mdb *mdb;
8ae5bcdc
VD		 72 int sw_index;
73 int port;
74};
75
058102a6
TW		 76/* DSA_NOTIFIER_LAG_* */
77struct dsa_notifier_lag_info {
78 struct net_device *lag;
79 int sw_index;
80 int port;
81
82 struct netdev_lag_upper_info *info;
83};
84
d0c627b8
VD		 85/* DSA_NOTIFIER_VLAN_* */
86struct dsa_notifier_vlan_info {
87 const struct switchdev_obj_port_vlan *vlan;
d0c627b8
VD		 88 int sw_index;
89 int port;
31046a5f 90 struct netlink_ext_ack *extack;
d0c627b8
VD		 91};
92
bfcb8132
VO		 93/* DSA_NOTIFIER_MTU */
94struct dsa_notifier_mtu_info {
88faba20 95 bool targeted_match;
bfcb8132
VO		 96 int sw_index;
97 int port;
98 int mtu;
99};
100
53da0eba
VO		 101/* DSA_NOTIFIER_TAG_PROTO_* */
102struct dsa_notifier_tag_proto_info {
103 const struct dsa_device_ops *tag_ops;
104};
105
c595c433
HV		 106/* DSA_NOTIFIER_MRP_* */
107struct dsa_notifier_mrp_info {
108 const struct switchdev_obj_mrp *mrp;
109 int sw_index;
110 int port;
111};
112
113/* DSA_NOTIFIER_MRP_* */
114struct dsa_notifier_mrp_ring_role_info {
115 const struct switchdev_obj_ring_role_mrp *mrp;
116 int sw_index;
117 int port;
118};
119
c64b9c05
VO		 120/* DSA_NOTIFIER_TAG_8021Q_VLAN_* */
121struct dsa_notifier_tag_8021q_vlan_info {
122 int tree_index;
123 int sw_index;
124 int port;
125 u16 vid;
126};
127
c4bb76a9
VO		 128struct dsa_switchdev_event_work {
129 struct dsa_switch *ds;
130 int port;
4bed397c 131 struct net_device *dev;
c4bb76a9
VO		 132 struct work_struct work;
133 unsigned long event;
134 /* Specific for SWITCHDEV_FDB_ADD_TO_DEVICE and
135 * SWITCHDEV_FDB_DEL_TO_DEVICE
136 */
137 unsigned char addr[ETH_ALEN];
138 u16 vid;
3dc80afc 139 bool host_addr;
c4bb76a9
VO		 140};
141
18596f50
GM		 142/* DSA_NOTIFIER_HSR_* */
143struct dsa_notifier_hsr_info {
144 struct net_device *hsr;
145 int sw_index;
146 int port;
147};
148
91da11f8 149struct dsa_slave_priv {
15240248 150 /* Copy of CPU port xmit for faster access in slave transmit hot path */
4ed70ce9 151 struct sk_buff * (*xmit)(struct sk_buff *skb,
5075314e 152 struct net_device *dev);
e84665c9 153
e131a563
AL		 154 struct gro_cells gcells;
155
afdcf151
VD		 156 /* DSA port data, such as switch, port index, etc. */
157 struct dsa_port *dp;
e84665c9 158
04ff53f9
FF		 159#ifdef CONFIG_NET_POLL_CONTROLLER
160 struct netpoll *netpoll;
161#endif
f50f2127
FF		 162
163 /* TC context */
164 struct list_head mall_tc_list;
91da11f8
LB		 165};
166
91da11f8 167/* dsa.c */
c39e2a1d 168const struct dsa_device_ops *dsa_tag_driver_get(int tag_protocol);
4dad81ee 169void dsa_tag_driver_put(const struct dsa_device_ops *ops);
53da0eba 170const struct dsa_device_ops *dsa_find_tagger_by_name(const char *buf);
c39e2a1d 171
c9eb3e0f 172bool dsa_schedule_work(struct work_struct *work);
98cdb480 173const char *dsa_tag_protocol_to_str(const struct dsa_device_ops *ops);
91da11f8 174
4e500251
VO		 175static inline int dsa_tag_protocol_overhead(const struct dsa_device_ops *ops)
176{
177 return ops->needed_headroom + ops->needed_tailroom;
178}
179
f2f23566 180/* master.c */
17a22fcf
VD		 181int dsa_master_setup(struct net_device *dev, struct dsa_port *cpu_dp);
182void dsa_master_teardown(struct net_device *dev);
f2f23566 183
2231c43b
VD		 184static inline struct net_device *dsa_master_find_slave(struct net_device *dev,
185 int device, int port)
3775b1b7 186{
2f657a60
VD		 187 struct dsa_port *cpu_dp = dev->dsa_ptr;
188 struct dsa_switch_tree *dst = cpu_dp->dst;
7b9a2f4b 189 struct dsa_port *dp;
3775b1b7 190
7b9a2f4b
VD		 191 list_for_each_entry(dp, &dst->ports, list)
192 if (dp->ds->index == device && dp->index == port &&
193 dp->type == DSA_PORT_TYPE_USER)
194 return dp->slave;
3775b1b7 195
7b9a2f4b 196 return NULL;
3775b1b7
VD		 197}
198
a40c175b 199/* port.c */
53da0eba
VO		 200void dsa_port_set_tag_protocol(struct dsa_port *cpu_dp,
201 const struct dsa_device_ops *tag_ops);
39f32101 202int dsa_port_set_state(struct dsa_port *dp, u8 state, bool do_fast_age);
8640f8dc 203int dsa_port_enable_rt(struct dsa_port *dp, struct phy_device *phy);
fb8a6a2b 204int dsa_port_enable(struct dsa_port *dp, struct phy_device *phy);
8640f8dc 205void dsa_port_disable_rt(struct dsa_port *dp);
75104db0 206void dsa_port_disable(struct dsa_port *dp);
2afc526a
VO		 207int dsa_port_bridge_join(struct dsa_port *dp, struct net_device *br,
208 struct netlink_ext_ack *extack);
4e51bf44 209void dsa_port_pre_bridge_leave(struct dsa_port *dp, struct net_device *br);
cfbed329 210void dsa_port_bridge_leave(struct dsa_port *dp, struct net_device *br);
058102a6
TW		 211int dsa_port_lag_change(struct dsa_port *dp,
212 struct netdev_lag_lower_state_info *linfo);
213int dsa_port_lag_join(struct dsa_port *dp, struct net_device *lag_dev,
2afc526a
VO		 214 struct netdev_lag_upper_info *uinfo,
215 struct netlink_ext_ack *extack);
4e51bf44 216void dsa_port_pre_lag_leave(struct dsa_port *dp, struct net_device *lag_dev);
058102a6 217void dsa_port_lag_leave(struct dsa_port *dp, struct net_device *lag_dev);
89153ed6
VO		 218int dsa_port_vlan_filtering(struct dsa_port *dp, bool vlan_filtering,
219 struct netlink_ext_ack *extack);
54a0ed0d 220bool dsa_port_skip_vlan_configuration(struct dsa_port *dp);
bae33f2b 221int dsa_port_ageing_time(struct dsa_port *dp, clock_t ageing_clock);
bfcb8132 222int dsa_port_mtu_change(struct dsa_port *dp, int new_mtu,
88faba20 223 bool targeted_match);
2acf4e6a
AS		 224int dsa_port_fdb_add(struct dsa_port *dp, const unsigned char *addr,
225 u16 vid);
226int dsa_port_fdb_del(struct dsa_port *dp, const unsigned char *addr,
227 u16 vid);
3dc80afc
VO		 228int dsa_port_host_fdb_add(struct dsa_port *dp, const unsigned char *addr,
229 u16 vid);
230int dsa_port_host_fdb_del(struct dsa_port *dp, const unsigned char *addr,
231 u16 vid);
de40fc5d 232int dsa_port_fdb_dump(struct dsa_port *dp, dsa_fdb_dump_cb_t *cb, void *data);
bb9f6031 233int dsa_port_mdb_add(const struct dsa_port *dp,
ffb68fc5 234 const struct switchdev_obj_port_mdb *mdb);
bb9f6031 235int dsa_port_mdb_del(const struct dsa_port *dp,
3a9afea3 236 const struct switchdev_obj_port_mdb *mdb);
b8e997c4
VO		 237int dsa_port_host_mdb_add(const struct dsa_port *dp,
238 const struct switchdev_obj_port_mdb *mdb);
239int dsa_port_host_mdb_del(const struct dsa_port *dp,
240 const struct switchdev_obj_port_mdb *mdb);
e18f4c18 241int dsa_port_pre_bridge_flags(const struct dsa_port *dp,
a8b659e7
VO		 242 struct switchdev_brport_flags flags,
243 struct netlink_ext_ack *extack);
045c45d1 244int dsa_port_bridge_flags(struct dsa_port *dp,
a8b659e7
VO		 245 struct switchdev_brport_flags flags,
246 struct netlink_ext_ack *extack);
076e7133 247int dsa_port_vlan_add(struct dsa_port *dp,
31046a5f
VO		 248 const struct switchdev_obj_port_vlan *vlan,
249 struct netlink_ext_ack *extack);
076e7133
VD		 250int dsa_port_vlan_del(struct dsa_port *dp,
251 const struct switchdev_obj_port_vlan *vlan);
c595c433
HV		 252int dsa_port_mrp_add(const struct dsa_port *dp,
253 const struct switchdev_obj_mrp *mrp);
254int dsa_port_mrp_del(const struct dsa_port *dp,
255 const struct switchdev_obj_mrp *mrp);
256int dsa_port_mrp_add_ring_role(const struct dsa_port *dp,
257 const struct switchdev_obj_ring_role_mrp *mrp);
258int dsa_port_mrp_del_ring_role(const struct dsa_port *dp,
259 const struct switchdev_obj_ring_role_mrp *mrp);
33615367
SR		 260int dsa_port_link_register_of(struct dsa_port *dp);
261void dsa_port_link_unregister_of(struct dsa_port *dp);
18596f50
GM		 262int dsa_port_hsr_join(struct dsa_port *dp, struct net_device *hsr);
263void dsa_port_hsr_leave(struct dsa_port *dp, struct net_device *hsr);
724395f4
VO		 264int dsa_port_tag_8021q_vlan_add(struct dsa_port *dp, u16 vid, bool broadcast);
265void dsa_port_tag_8021q_vlan_del(struct dsa_port *dp, u16 vid, bool broadcast);
77373d49 266extern const struct phylink_mac_ops dsa_port_phylink_mac_ops;
57ab1ca2 267
03cbb870 268static inline bool dsa_port_offloads_bridge_port(struct dsa_port *dp,
b94dc99c 269 const struct net_device *dev)
058102a6 270{
cc76ce9e 271 return dsa_port_to_bridge_port(dp) == dev;
058102a6
TW		 272}
273
03cbb870 274static inline bool dsa_port_offloads_bridge(struct dsa_port *dp,
b94dc99c 275 const struct net_device *bridge_dev)
03cbb870
VO		 276{
277 /* DSA ports connected to a bridge, and event was emitted
278 * for the bridge.
279 */
280 return dp->bridge_dev == bridge_dev;
281}
282
a324d3d4 283/* Returns true if any port of this tree offloads the given net_device */
03cbb870 284static inline bool dsa_tree_offloads_bridge_port(struct dsa_switch_tree *dst,
b94dc99c 285 const struct net_device *dev)
a324d3d4
VO		 286{
287 struct dsa_port *dp;
288
289 list_for_each_entry(dp, &dst->ports, list)
03cbb870 290 if (dsa_port_offloads_bridge_port(dp, dev))
a324d3d4
VO		 291 return true;
292
293 return false;
294}
295
b94dc99c
VO		 296/* Returns true if any port of this tree offloads the given bridge */
297static inline bool dsa_tree_offloads_bridge(struct dsa_switch_tree *dst,
298 const struct net_device *bridge_dev)
299{
300 struct dsa_port *dp;
301
302 list_for_each_entry(dp, &dst->ports, list)
303 if (dsa_port_offloads_bridge(dp, bridge_dev))
304 return true;
305
306 return false;
307}
308
91da11f8 309/* slave.c */
5075314e 310extern const struct dsa_device_ops notag_netdev_ops;
010e269f
VO		 311extern struct notifier_block dsa_slave_switchdev_notifier;
312extern struct notifier_block dsa_slave_switchdev_blocking_notifier;
313
91da11f8 314void dsa_slave_mii_bus_init(struct dsa_switch *ds);
951259aa 315int dsa_slave_create(struct dsa_port *dp);
cda5c15b 316void dsa_slave_destroy(struct net_device *slave_dev);
24462549
FF		 317int dsa_slave_suspend(struct net_device *slave_dev);
318int dsa_slave_resume(struct net_device *slave_dev);
88e4f0ca
VD		 319int dsa_slave_register_notifier(void);
320void dsa_slave_unregister_notifier(void);
53da0eba
VO		 321void dsa_slave_setup_tagger(struct net_device *slave);
322int dsa_slave_change_mtu(struct net_device *dev, int new_mtu);
06cfb2df
VO		 323int dsa_slave_manage_vlan_filtering(struct net_device *dev,
324 bool vlan_filtering);
91da11f8 325
d945097b
VD		 326static inline struct dsa_port *dsa_slave_to_port(const struct net_device *dev)
327{
328 struct dsa_slave_priv *p = netdev_priv(dev);
329
330 return p->dp;
331}
332
d0006b00
VD		 333static inline struct net_device *
334dsa_slave_to_master(const struct net_device *dev)
335{
336 struct dsa_port *dp = dsa_slave_to_port(dev);
337
f8b8b1cd 338 return dp->cpu_dp->master;
d0006b00
VD		 339}
340
412a1526
VO		 341/* If under a bridge with vlan_filtering=0, make sure to send pvid-tagged
342 * frames as untagged, since the bridge will not untag them.
343 */
344static inline struct sk_buff *dsa_untag_bridge_pvid(struct sk_buff *skb)
345{
346 struct dsa_port *dp = dsa_slave_to_port(skb->dev);
412a1526
VO		 347 struct net_device *br = dp->bridge_dev;
348 struct net_device *dev = skb->dev;
349 struct net_device *upper_dev;
412a1526
VO		 350 u16 vid, pvid, proto;
351 int err;
352
353 if (!br || br_vlan_enabled(br))
354 return skb;
355
356 err = br_vlan_get_proto(br, &proto);
357 if (err)
358 return skb;
359
360 /* Move VLAN tag from data to hwaccel */
a348292b 361 if (!skb_vlan_tag_present(skb) && skb->protocol == htons(proto)) {
412a1526
VO		 362 skb = skb_vlan_untag(skb);
363 if (!skb)
364 return NULL;
365 }
366
367 if (!skb_vlan_tag_present(skb))
368 return skb;
369
370 vid = skb_vlan_tag_get_id(skb);
371
372 /* We already run under an RCU read-side critical section since
373 * we are called from netif_receive_skb_list_internal().
374 */
375 err = br_vlan_get_pvid_rcu(dev, &pvid);
376 if (err)
377 return skb;
378
379 if (vid != pvid)
380 return skb;
381
382 /* The sad part about attempting to untag from DSA is that we
383 * don't know, unless we check, if the skb will end up in
384 * the bridge's data path - br_allowed_ingress() - or not.
385 * For example, there might be an 8021q upper for the
386 * default_pvid of the bridge, which will steal VLAN-tagged traffic
387 * from the bridge's data path. This is a configuration that DSA
388 * supports because vlan_filtering is 0. In that case, we should
389 * definitely keep the tag, to make sure it keeps working.
390 */
3a68844d
FF		 391 upper_dev = __vlan_find_dev_deep_rcu(br, htons(proto), vid);
392 if (upper_dev)
393 return skb;
412a1526
VO		 394
395 __vlan_hwaccel_clear_tag(skb);
396
397 return skb;
398}
399
884be12f
VO		 400/* For switches without hardware support for DSA tagging to be able
401 * to support termination through the bridge.
402 */
403static inline struct net_device *
404dsa_find_designated_bridge_port_by_vid(struct net_device *master, u16 vid)
405{
406 struct dsa_port *cpu_dp = master->dsa_ptr;
407 struct dsa_switch_tree *dst = cpu_dp->dst;
408 struct bridge_vlan_info vinfo;
409 struct net_device *slave;
410 struct dsa_port *dp;
411 int err;
412
413 list_for_each_entry(dp, &dst->ports, list) {
414 if (dp->type != DSA_PORT_TYPE_USER)
415 continue;
416
417 if (!dp->bridge_dev)
418 continue;
419
420 if (dp->stp_state != BR_STATE_LEARNING &&
421 dp->stp_state != BR_STATE_FORWARDING)
422 continue;
423
424 /* Since the bridge might learn this packet, keep the CPU port
425 * affinity with the port that will be used for the reply on
426 * xmit.
427 */
428 if (dp->cpu_dp != cpu_dp)
429 continue;
430
431 slave = dp->slave;
432
433 err = br_vlan_get_info_rcu(slave, vid, &vinfo);
434 if (err)
435 continue;
436
437 return slave;
438 }
439
440 return NULL;
441}
442
bea79078
VO		 443/* If the ingress port offloads the bridge, we mark the frame as autonomously
444 * forwarded by hardware, so the software bridge doesn't forward in twice, back
445 * to us, because we already did. However, if we're in fallback mode and we do
446 * software bridging, we are not offloading it, therefore the dp->bridge_dev
447 * pointer is not populated, and flooding needs to be done by software (we are
448 * effectively operating in standalone ports mode).
449 */
450static inline void dsa_default_offload_fwd_mark(struct sk_buff *skb)
451{
452 struct dsa_port *dp = dsa_slave_to_port(skb->dev);
453
454 skb->offload_fwd_mark = !!(dp->bridge_dev);
455}
456
f1dacd7a
VO		 457/* Helper for removing DSA header tags from packets in the RX path.
458 * Must not be called before skb_pull(len).
459 * skb->data
460 * |
461 * v
462 * | | | | | | | | | | | | | | | | | | |
463 * +-----------------------+-----------------------+---------------+-------+
464 * | Destination MAC | Source MAC | DSA header | EType |
465 * +-----------------------+-----------------------+---------------+-------+
466 * | |
467 * <----- len -----> <----- len ----->
468 * |
469 * >>>>>>> v
470 * >>>>>>> | | | | | | | | | | | | | | |
471 * >>>>>>> +-----------------------+-----------------------+-------+
472 * >>>>>>> | Destination MAC | Source MAC | EType |
473 * +-----------------------+-----------------------+-------+
474 * ^
475 * |
476 * skb->data
477 */
478static inline void dsa_strip_etype_header(struct sk_buff *skb, int len)
479{
480 memmove(skb->data - ETH_HLEN, skb->data - ETH_HLEN - len, 2 * ETH_ALEN);
481}
482
6bef794d
VO		 483/* Helper for creating space for DSA header tags in TX path packets.
484 * Must not be called before skb_push(len).
485 *
486 * Before:
487 *
488 * <<<<<<< | | | | | | | | | | | | | | |
489 * ^ <<<<<<< +-----------------------+-----------------------+-------+
490 * | <<<<<<< | Destination MAC | Source MAC | EType |
491 * | +-----------------------+-----------------------+-------+
492 * <----- len ----->
493 * |
494 * |
495 * skb->data
496 *
497 * After:
498 *
499 * | | | | | | | | | | | | | | | | | | |
500 * +-----------------------+-----------------------+---------------+-------+
501 * | Destination MAC | Source MAC | DSA header | EType |
502 * +-----------------------+-----------------------+---------------+-------+
503 * ^ | |
504 * | <----- len ----->
505 * skb->data
506 */
507static inline void dsa_alloc_etype_header(struct sk_buff *skb, int len)
508{
509 memmove(skb->data, skb->data + len, 2 * ETH_ALEN);
510}
511
5d928ff4
VO		 512/* On RX, eth_type_trans() on the DSA master pulls ETH_HLEN bytes starting from
513 * skb_mac_header(skb), which leaves skb->data pointing at the first byte after
514 * what the DSA master perceives as the EtherType (the beginning of the L3
515 * protocol). Since DSA EtherType header taggers treat the EtherType as part of
516 * the DSA tag itself, and the EtherType is 2 bytes in length, the DSA header
517 * is located 2 bytes behind skb->data. Note that EtherType in this context
518 * means the first 2 bytes of the DSA header, not the encapsulated EtherType
519 * that will become visible after the DSA header is stripped.
520 */
521static inline void *dsa_etype_header_pos_rx(struct sk_buff *skb)
522{
523 return skb->data - 2;
524}
525
a72808b6
VO		 526/* On TX, skb->data points to skb_mac_header(skb), which means that EtherType
527 * header taggers start exactly where the EtherType is (the EtherType is
528 * treated as part of the DSA header).
529 */
530static inline void *dsa_etype_header_pos_tx(struct sk_buff *skb)
531{
532 return skb->data + 2 * ETH_ALEN;
533}
534
f515f192
VD		 535/* switch.c */
536int dsa_switch_register_notifier(struct dsa_switch *ds);
537void dsa_switch_unregister_notifier(struct dsa_switch *ds);
bff33f7e
VO		 538
539/* dsa2.c */
058102a6
TW		 540void dsa_lag_map(struct dsa_switch_tree *dst, struct net_device *lag);
541void dsa_lag_unmap(struct dsa_switch_tree *dst, struct net_device *lag);
886f8e26
VO		 542int dsa_tree_notify(struct dsa_switch_tree *dst, unsigned long e, void *v);
543int dsa_broadcast(unsigned long e, void *v);
53da0eba
VO		 544int dsa_tree_change_tag_proto(struct dsa_switch_tree *dst,
545 struct net_device *master,
546 const struct dsa_device_ops *tag_ops,
547 const struct dsa_device_ops *old_tag_ops);
f5e165e7
VO		 548int dsa_bridge_num_get(const struct net_device *bridge_dev, int max);
549void dsa_bridge_num_put(const struct net_device *bridge_dev, int bridge_num);
058102a6 550
e19cc13c
VO		 551/* tag_8021q.c */
552int dsa_tag_8021q_bridge_join(struct dsa_switch *ds,
553 struct dsa_notifier_bridge_info *info);
554int dsa_tag_8021q_bridge_leave(struct dsa_switch *ds,
555 struct dsa_notifier_bridge_info *info);
c64b9c05
VO		 556int dsa_switch_tag_8021q_vlan_add(struct dsa_switch *ds,
557 struct dsa_notifier_tag_8021q_vlan_info *info);
558int dsa_switch_tag_8021q_vlan_del(struct dsa_switch *ds,
559 struct dsa_notifier_tag_8021q_vlan_info *info);
e19cc13c 560
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VO		 561extern struct list_head dsa_tree_list;
562
91da11f8 563#endif
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