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1/*
2 * net/dsa/dsa_priv.h - Hardware switch handling
3 * Copyright (c) 2008-2009 Marvell Semiconductor
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 __DSA_PRIV_H
12#define __DSA_PRIV_H
13
14#include <linux/phy.h>
15#include <linux/netdevice.h>
16#include <linux/netpoll.h>
17#include <net/dsa.h>
18
19enum {
20 DSA_NOTIFIER_AGEING_TIME,
21 DSA_NOTIFIER_BRIDGE_JOIN,
22 DSA_NOTIFIER_BRIDGE_LEAVE,
23 DSA_NOTIFIER_FDB_ADD,
24 DSA_NOTIFIER_FDB_DEL,
25 DSA_NOTIFIER_MDB_ADD,
26 DSA_NOTIFIER_MDB_DEL,
27 DSA_NOTIFIER_VLAN_ADD,
28 DSA_NOTIFIER_VLAN_DEL,
29};
30
31/* DSA_NOTIFIER_AGEING_TIME */
32struct dsa_notifier_ageing_time_info {
33 struct switchdev_trans *trans;
34 unsigned int ageing_time;
35};
36
37/* DSA_NOTIFIER_BRIDGE_* */
38struct dsa_notifier_bridge_info {
39 struct net_device *br;
40 int sw_index;
41 int port;
42};
43
44/* DSA_NOTIFIER_FDB_* */
45struct dsa_notifier_fdb_info {
46 int sw_index;
47 int port;
48 const unsigned char *addr;
49 u16 vid;
50};
51
52/* DSA_NOTIFIER_MDB_* */
53struct dsa_notifier_mdb_info {
54 const struct switchdev_obj_port_mdb *mdb;
55 struct switchdev_trans *trans;
56 int sw_index;
57 int port;
58};
59
60/* DSA_NOTIFIER_VLAN_* */
61struct dsa_notifier_vlan_info {
62 const struct switchdev_obj_port_vlan *vlan;
63 struct switchdev_trans *trans;
64 int sw_index;
65 int port;
66};
67
68struct dsa_slave_priv {
69 /* Copy of CPU port xmit for faster access in slave transmit hot path */
70 struct sk_buff * (*xmit)(struct sk_buff *skb,
71 struct net_device *dev);
72
73 struct pcpu_sw_netstats *stats64;
74
75 /* DSA port data, such as switch, port index, etc. */
76 struct dsa_port *dp;
77
78 /*
79 * The phylib phy_device pointer for the PHY connected
80 * to this port.
81 */
82 phy_interface_t phy_interface;
83 int old_link;
84 int old_pause;
85 int old_duplex;
86
87#ifdef CONFIG_NET_POLL_CONTROLLER
88 struct netpoll *netpoll;
89#endif
90
91 /* TC context */
92 struct list_head mall_tc_list;
93};
94
95/* dsa.c */
96const struct dsa_device_ops *dsa_resolve_tag_protocol(int tag_protocol);
97bool dsa_schedule_work(struct work_struct *work);
98
99/* legacy.c */
100#if IS_ENABLED(CONFIG_NET_DSA_LEGACY)
101int dsa_legacy_register(void);
102void dsa_legacy_unregister(void);
103#else
104static inline int dsa_legacy_register(void)
105{
106 return 0;
107}
108
109static inline void dsa_legacy_unregister(void) { }
110#endif
111int dsa_legacy_fdb_add(struct ndmsg *ndm, struct nlattr *tb[],
112 struct net_device *dev,
113 const unsigned char *addr, u16 vid,
114 u16 flags);
115int dsa_legacy_fdb_del(struct ndmsg *ndm, struct nlattr *tb[],
116 struct net_device *dev,
117 const unsigned char *addr, u16 vid);
118
119/* master.c */
120int dsa_master_setup(struct net_device *dev, struct dsa_port *cpu_dp);
121void dsa_master_teardown(struct net_device *dev);
122
123static inline struct net_device *dsa_master_find_slave(struct net_device *dev,
124 int device, int port)
125{
126 struct dsa_port *cpu_dp = dev->dsa_ptr;
127 struct dsa_switch_tree *dst = cpu_dp->dst;
128 struct dsa_switch *ds;
129 struct dsa_port *slave_port;
130
131 if (device < 0 || device >= DSA_MAX_SWITCHES)
132 return NULL;
133
134 ds = dst->ds[device];
135 if (!ds)
136 return NULL;
137
138 if (port < 0 || port >= ds->num_ports)
139 return NULL;
140
141 slave_port = &ds->ports[port];
142
143 if (unlikely(slave_port->type != DSA_PORT_TYPE_USER))
144 return NULL;
145
146 return slave_port->slave;
147}
148
149/* port.c */
150int dsa_port_set_state(struct dsa_port *dp, u8 state,
151 struct switchdev_trans *trans);
152int dsa_port_enable(struct dsa_port *dp, struct phy_device *phy);
153void dsa_port_disable(struct dsa_port *dp, struct phy_device *phy);
154int dsa_port_bridge_join(struct dsa_port *dp, struct net_device *br);
155void dsa_port_bridge_leave(struct dsa_port *dp, struct net_device *br);
156int dsa_port_vlan_filtering(struct dsa_port *dp, bool vlan_filtering,
157 struct switchdev_trans *trans);
158int dsa_port_ageing_time(struct dsa_port *dp, clock_t ageing_clock,
159 struct switchdev_trans *trans);
160int dsa_port_fdb_add(struct dsa_port *dp, const unsigned char *addr,
161 u16 vid);
162int dsa_port_fdb_del(struct dsa_port *dp, const unsigned char *addr,
163 u16 vid);
164int dsa_port_fdb_dump(struct dsa_port *dp, dsa_fdb_dump_cb_t *cb, void *data);
165int dsa_port_mdb_add(const struct dsa_port *dp,
166 const struct switchdev_obj_port_mdb *mdb,
167 struct switchdev_trans *trans);
168int dsa_port_mdb_del(const struct dsa_port *dp,
169 const struct switchdev_obj_port_mdb *mdb);
170int dsa_port_vlan_add(struct dsa_port *dp,
171 const struct switchdev_obj_port_vlan *vlan,
172 struct switchdev_trans *trans);
173int dsa_port_vlan_del(struct dsa_port *dp,
174 const struct switchdev_obj_port_vlan *vlan);
175int dsa_port_link_register_of(struct dsa_port *dp);
176void dsa_port_link_unregister_of(struct dsa_port *dp);
177
178/* slave.c */
179extern const struct dsa_device_ops notag_netdev_ops;
180void dsa_slave_mii_bus_init(struct dsa_switch *ds);
181int dsa_slave_create(struct dsa_port *dp);
182void dsa_slave_destroy(struct net_device *slave_dev);
183int dsa_slave_suspend(struct net_device *slave_dev);
184int dsa_slave_resume(struct net_device *slave_dev);
185int dsa_slave_register_notifier(void);
186void dsa_slave_unregister_notifier(void);
187
188static inline struct dsa_port *dsa_slave_to_port(const struct net_device *dev)
189{
190 struct dsa_slave_priv *p = netdev_priv(dev);
191
192 return p->dp;
193}
194
195static inline struct net_device *
196dsa_slave_to_master(const struct net_device *dev)
197{
198 struct dsa_port *dp = dsa_slave_to_port(dev);
199
200 return dp->cpu_dp->master;
201}
202
203/* switch.c */
204int dsa_switch_register_notifier(struct dsa_switch *ds);
205void dsa_switch_unregister_notifier(struct dsa_switch *ds);
206
207/* tag_brcm.c */
208extern const struct dsa_device_ops brcm_netdev_ops;
209extern const struct dsa_device_ops brcm_prepend_netdev_ops;
210
211/* tag_dsa.c */
212extern const struct dsa_device_ops dsa_netdev_ops;
213
214/* tag_edsa.c */
215extern const struct dsa_device_ops edsa_netdev_ops;
216
217/* tag_ksz.c */
218extern const struct dsa_device_ops ksz_netdev_ops;
219
220/* tag_lan9303.c */
221extern const struct dsa_device_ops lan9303_netdev_ops;
222
223/* tag_mtk.c */
224extern const struct dsa_device_ops mtk_netdev_ops;
225
226/* tag_qca.c */
227extern const struct dsa_device_ops qca_netdev_ops;
228
229/* tag_trailer.c */
230extern const struct dsa_device_ops trailer_netdev_ops;
231
232#endif
1/* SPDX-License-Identifier: GPL-2.0-or-later */
2/*
3 * net/dsa/dsa_priv.h - Hardware switch handling
4 * Copyright (c) 2008-2009 Marvell Semiconductor
5 */
6
7#ifndef __DSA_PRIV_H
8#define __DSA_PRIV_H
9
10#include <linux/phy.h>
11#include <linux/netdevice.h>
12#include <linux/netpoll.h>
13#include <net/dsa.h>
14
15enum {
16 DSA_NOTIFIER_AGEING_TIME,
17 DSA_NOTIFIER_BRIDGE_JOIN,
18 DSA_NOTIFIER_BRIDGE_LEAVE,
19 DSA_NOTIFIER_FDB_ADD,
20 DSA_NOTIFIER_FDB_DEL,
21 DSA_NOTIFIER_MDB_ADD,
22 DSA_NOTIFIER_MDB_DEL,
23 DSA_NOTIFIER_VLAN_ADD,
24 DSA_NOTIFIER_VLAN_DEL,
25};
26
27/* DSA_NOTIFIER_AGEING_TIME */
28struct dsa_notifier_ageing_time_info {
29 struct switchdev_trans *trans;
30 unsigned int ageing_time;
31};
32
33/* DSA_NOTIFIER_BRIDGE_* */
34struct dsa_notifier_bridge_info {
35 struct net_device *br;
36 int sw_index;
37 int port;
38};
39
40/* DSA_NOTIFIER_FDB_* */
41struct dsa_notifier_fdb_info {
42 int sw_index;
43 int port;
44 const unsigned char *addr;
45 u16 vid;
46};
47
48/* DSA_NOTIFIER_MDB_* */
49struct dsa_notifier_mdb_info {
50 const struct switchdev_obj_port_mdb *mdb;
51 struct switchdev_trans *trans;
52 int sw_index;
53 int port;
54};
55
56/* DSA_NOTIFIER_VLAN_* */
57struct dsa_notifier_vlan_info {
58 const struct switchdev_obj_port_vlan *vlan;
59 struct switchdev_trans *trans;
60 int sw_index;
61 int port;
62};
63
64struct dsa_slave_priv {
65 /* Copy of CPU port xmit for faster access in slave transmit hot path */
66 struct sk_buff * (*xmit)(struct sk_buff *skb,
67 struct net_device *dev);
68
69 struct pcpu_sw_netstats *stats64;
70
71 /* DSA port data, such as switch, port index, etc. */
72 struct dsa_port *dp;
73
74#ifdef CONFIG_NET_POLL_CONTROLLER
75 struct netpoll *netpoll;
76#endif
77
78 /* TC context */
79 struct list_head mall_tc_list;
80};
81
82/* dsa.c */
83const struct dsa_device_ops *dsa_tag_driver_get(int tag_protocol);
84void dsa_tag_driver_put(const struct dsa_device_ops *ops);
85
86bool dsa_schedule_work(struct work_struct *work);
87const char *dsa_tag_protocol_to_str(const struct dsa_device_ops *ops);
88
89int dsa_legacy_fdb_add(struct ndmsg *ndm, struct nlattr *tb[],
90 struct net_device *dev,
91 const unsigned char *addr, u16 vid,
92 u16 flags,
93 struct netlink_ext_ack *extack);
94int dsa_legacy_fdb_del(struct ndmsg *ndm, struct nlattr *tb[],
95 struct net_device *dev,
96 const unsigned char *addr, u16 vid);
97
98/* master.c */
99int dsa_master_setup(struct net_device *dev, struct dsa_port *cpu_dp);
100void dsa_master_teardown(struct net_device *dev);
101
102static inline struct net_device *dsa_master_find_slave(struct net_device *dev,
103 int device, int port)
104{
105 struct dsa_port *cpu_dp = dev->dsa_ptr;
106 struct dsa_switch_tree *dst = cpu_dp->dst;
107 struct dsa_switch *ds;
108 struct dsa_port *slave_port;
109
110 if (device < 0 || device >= DSA_MAX_SWITCHES)
111 return NULL;
112
113 ds = dst->ds[device];
114 if (!ds)
115 return NULL;
116
117 if (port < 0 || port >= ds->num_ports)
118 return NULL;
119
120 slave_port = &ds->ports[port];
121
122 if (unlikely(slave_port->type != DSA_PORT_TYPE_USER))
123 return NULL;
124
125 return slave_port->slave;
126}
127
128/* port.c */
129int dsa_port_set_state(struct dsa_port *dp, u8 state,
130 struct switchdev_trans *trans);
131int dsa_port_enable(struct dsa_port *dp, struct phy_device *phy);
132void dsa_port_disable(struct dsa_port *dp);
133int dsa_port_bridge_join(struct dsa_port *dp, struct net_device *br);
134void dsa_port_bridge_leave(struct dsa_port *dp, struct net_device *br);
135int dsa_port_vlan_filtering(struct dsa_port *dp, bool vlan_filtering,
136 struct switchdev_trans *trans);
137int dsa_port_ageing_time(struct dsa_port *dp, clock_t ageing_clock,
138 struct switchdev_trans *trans);
139int dsa_port_fdb_add(struct dsa_port *dp, const unsigned char *addr,
140 u16 vid);
141int dsa_port_fdb_del(struct dsa_port *dp, const unsigned char *addr,
142 u16 vid);
143int dsa_port_fdb_dump(struct dsa_port *dp, dsa_fdb_dump_cb_t *cb, void *data);
144int dsa_port_mdb_add(const struct dsa_port *dp,
145 const struct switchdev_obj_port_mdb *mdb,
146 struct switchdev_trans *trans);
147int dsa_port_mdb_del(const struct dsa_port *dp,
148 const struct switchdev_obj_port_mdb *mdb);
149int dsa_port_pre_bridge_flags(const struct dsa_port *dp, unsigned long flags,
150 struct switchdev_trans *trans);
151int dsa_port_bridge_flags(const struct dsa_port *dp, unsigned long flags,
152 struct switchdev_trans *trans);
153int dsa_port_mrouter(struct dsa_port *dp, bool mrouter,
154 struct switchdev_trans *trans);
155int dsa_port_vlan_add(struct dsa_port *dp,
156 const struct switchdev_obj_port_vlan *vlan,
157 struct switchdev_trans *trans);
158int dsa_port_vlan_del(struct dsa_port *dp,
159 const struct switchdev_obj_port_vlan *vlan);
160int dsa_port_vid_add(struct dsa_port *dp, u16 vid, u16 flags);
161int dsa_port_vid_del(struct dsa_port *dp, u16 vid);
162int dsa_port_link_register_of(struct dsa_port *dp);
163void dsa_port_link_unregister_of(struct dsa_port *dp);
164void dsa_port_phylink_validate(struct phylink_config *config,
165 unsigned long *supported,
166 struct phylink_link_state *state);
167int dsa_port_phylink_mac_link_state(struct phylink_config *config,
168 struct phylink_link_state *state);
169void dsa_port_phylink_mac_config(struct phylink_config *config,
170 unsigned int mode,
171 const struct phylink_link_state *state);
172void dsa_port_phylink_mac_an_restart(struct phylink_config *config);
173void dsa_port_phylink_mac_link_down(struct phylink_config *config,
174 unsigned int mode,
175 phy_interface_t interface);
176void dsa_port_phylink_mac_link_up(struct phylink_config *config,
177 unsigned int mode,
178 phy_interface_t interface,
179 struct phy_device *phydev);
180extern const struct phylink_mac_ops dsa_port_phylink_mac_ops;
181
182/* slave.c */
183extern const struct dsa_device_ops notag_netdev_ops;
184void dsa_slave_mii_bus_init(struct dsa_switch *ds);
185int dsa_slave_create(struct dsa_port *dp);
186void dsa_slave_destroy(struct net_device *slave_dev);
187int dsa_slave_suspend(struct net_device *slave_dev);
188int dsa_slave_resume(struct net_device *slave_dev);
189int dsa_slave_register_notifier(void);
190void dsa_slave_unregister_notifier(void);
191
192void *dsa_defer_xmit(struct sk_buff *skb, struct net_device *dev);
193
194static inline struct dsa_port *dsa_slave_to_port(const struct net_device *dev)
195{
196 struct dsa_slave_priv *p = netdev_priv(dev);
197
198 return p->dp;
199}
200
201static inline struct net_device *
202dsa_slave_to_master(const struct net_device *dev)
203{
204 struct dsa_port *dp = dsa_slave_to_port(dev);
205
206 return dp->cpu_dp->master;
207}
208
209/* switch.c */
210int dsa_switch_register_notifier(struct dsa_switch *ds);
211void dsa_switch_unregister_notifier(struct dsa_switch *ds);
212#endif