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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#include <net/gro_cells.h>
15
16enum {
17 DSA_NOTIFIER_AGEING_TIME,
18 DSA_NOTIFIER_BRIDGE_JOIN,
19 DSA_NOTIFIER_BRIDGE_LEAVE,
20 DSA_NOTIFIER_FDB_ADD,
21 DSA_NOTIFIER_FDB_DEL,
22 DSA_NOTIFIER_MDB_ADD,
23 DSA_NOTIFIER_MDB_DEL,
24 DSA_NOTIFIER_VLAN_ADD,
25 DSA_NOTIFIER_VLAN_DEL,
26 DSA_NOTIFIER_MTU,
27};
28
29/* DSA_NOTIFIER_AGEING_TIME */
30struct dsa_notifier_ageing_time_info {
31 struct switchdev_trans *trans;
32 unsigned int ageing_time;
33};
34
35/* DSA_NOTIFIER_BRIDGE_* */
36struct dsa_notifier_bridge_info {
37 struct net_device *br;
38 int tree_index;
39 int sw_index;
40 int port;
41};
42
43/* DSA_NOTIFIER_FDB_* */
44struct dsa_notifier_fdb_info {
45 int sw_index;
46 int port;
47 const unsigned char *addr;
48 u16 vid;
49};
50
51/* DSA_NOTIFIER_MDB_* */
52struct dsa_notifier_mdb_info {
53 const struct switchdev_obj_port_mdb *mdb;
54 struct switchdev_trans *trans;
55 int sw_index;
56 int port;
57};
58
59/* DSA_NOTIFIER_VLAN_* */
60struct dsa_notifier_vlan_info {
61 const struct switchdev_obj_port_vlan *vlan;
62 struct switchdev_trans *trans;
63 int sw_index;
64 int port;
65};
66
67/* DSA_NOTIFIER_MTU */
68struct dsa_notifier_mtu_info {
69 bool propagate_upstream;
70 int sw_index;
71 int port;
72 int mtu;
73};
74
75struct dsa_slave_priv {
76 /* Copy of CPU port xmit for faster access in slave transmit hot path */
77 struct sk_buff * (*xmit)(struct sk_buff *skb,
78 struct net_device *dev);
79
80 struct pcpu_sw_netstats __percpu *stats64;
81
82 struct gro_cells gcells;
83
84 /* DSA port data, such as switch, port index, etc. */
85 struct dsa_port *dp;
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_tag_driver_get(int tag_protocol);
97void dsa_tag_driver_put(const struct dsa_device_ops *ops);
98
99bool dsa_schedule_work(struct work_struct *work);
100const char *dsa_tag_protocol_to_str(const struct dsa_device_ops *ops);
101
102int dsa_legacy_fdb_add(struct ndmsg *ndm, struct nlattr *tb[],
103 struct net_device *dev,
104 const unsigned char *addr, u16 vid,
105 u16 flags,
106 struct netlink_ext_ack *extack);
107int dsa_legacy_fdb_del(struct ndmsg *ndm, struct nlattr *tb[],
108 struct net_device *dev,
109 const unsigned char *addr, u16 vid);
110
111/* master.c */
112int dsa_master_setup(struct net_device *dev, struct dsa_port *cpu_dp);
113void dsa_master_teardown(struct net_device *dev);
114
115static inline struct net_device *dsa_master_find_slave(struct net_device *dev,
116 int device, int port)
117{
118 struct dsa_port *cpu_dp = dev->dsa_ptr;
119 struct dsa_switch_tree *dst = cpu_dp->dst;
120 struct dsa_port *dp;
121
122 list_for_each_entry(dp, &dst->ports, list)
123 if (dp->ds->index == device && dp->index == port &&
124 dp->type == DSA_PORT_TYPE_USER)
125 return dp->slave;
126
127 return NULL;
128}
129
130/* port.c */
131int dsa_port_set_state(struct dsa_port *dp, u8 state,
132 struct switchdev_trans *trans);
133int dsa_port_enable_rt(struct dsa_port *dp, struct phy_device *phy);
134int dsa_port_enable(struct dsa_port *dp, struct phy_device *phy);
135void dsa_port_disable_rt(struct dsa_port *dp);
136void dsa_port_disable(struct dsa_port *dp);
137int dsa_port_bridge_join(struct dsa_port *dp, struct net_device *br);
138void dsa_port_bridge_leave(struct dsa_port *dp, struct net_device *br);
139int dsa_port_vlan_filtering(struct dsa_port *dp, bool vlan_filtering,
140 struct switchdev_trans *trans);
141bool dsa_port_skip_vlan_configuration(struct dsa_port *dp);
142int dsa_port_ageing_time(struct dsa_port *dp, clock_t ageing_clock,
143 struct switchdev_trans *trans);
144int dsa_port_mtu_change(struct dsa_port *dp, int new_mtu,
145 bool propagate_upstream);
146int dsa_port_fdb_add(struct dsa_port *dp, const unsigned char *addr,
147 u16 vid);
148int dsa_port_fdb_del(struct dsa_port *dp, const unsigned char *addr,
149 u16 vid);
150int dsa_port_fdb_dump(struct dsa_port *dp, dsa_fdb_dump_cb_t *cb, void *data);
151int dsa_port_mdb_add(const struct dsa_port *dp,
152 const struct switchdev_obj_port_mdb *mdb,
153 struct switchdev_trans *trans);
154int dsa_port_mdb_del(const struct dsa_port *dp,
155 const struct switchdev_obj_port_mdb *mdb);
156int dsa_port_pre_bridge_flags(const struct dsa_port *dp, unsigned long flags,
157 struct switchdev_trans *trans);
158int dsa_port_bridge_flags(const struct dsa_port *dp, unsigned long flags,
159 struct switchdev_trans *trans);
160int dsa_port_mrouter(struct dsa_port *dp, bool mrouter,
161 struct switchdev_trans *trans);
162int dsa_port_vlan_add(struct dsa_port *dp,
163 const struct switchdev_obj_port_vlan *vlan,
164 struct switchdev_trans *trans);
165int dsa_port_vlan_del(struct dsa_port *dp,
166 const struct switchdev_obj_port_vlan *vlan);
167int dsa_port_vid_add(struct dsa_port *dp, u16 vid, u16 flags);
168int dsa_port_vid_del(struct dsa_port *dp, u16 vid);
169int dsa_port_link_register_of(struct dsa_port *dp);
170void dsa_port_link_unregister_of(struct dsa_port *dp);
171extern const struct phylink_mac_ops dsa_port_phylink_mac_ops;
172
173/* slave.c */
174extern const struct dsa_device_ops notag_netdev_ops;
175void dsa_slave_mii_bus_init(struct dsa_switch *ds);
176int dsa_slave_create(struct dsa_port *dp);
177void dsa_slave_destroy(struct net_device *slave_dev);
178bool dsa_slave_dev_check(const struct net_device *dev);
179int dsa_slave_suspend(struct net_device *slave_dev);
180int dsa_slave_resume(struct net_device *slave_dev);
181int dsa_slave_register_notifier(void);
182void dsa_slave_unregister_notifier(void);
183
184static inline struct dsa_port *dsa_slave_to_port(const struct net_device *dev)
185{
186 struct dsa_slave_priv *p = netdev_priv(dev);
187
188 return p->dp;
189}
190
191static inline struct net_device *
192dsa_slave_to_master(const struct net_device *dev)
193{
194 struct dsa_port *dp = dsa_slave_to_port(dev);
195
196 return dp->cpu_dp->master;
197}
198
199/* switch.c */
200int dsa_switch_register_notifier(struct dsa_switch *ds);
201void dsa_switch_unregister_notifier(struct dsa_switch *ds);
202
203/* dsa2.c */
204extern struct list_head dsa_tree_list;
205
206#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