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192.168.1.100 / T108 / 47a9bf12b82d3cb380735e93c6a058ab6e7e1718 / . / marvell / linux / net / dsa / dsa_priv.h
blob: 74e4b462f3631cdd25ee7f1940ab69194b984a2f [file] [log] [blame]
b.liue9582032025-04-17 19:18:16 +0800[diff] [blame]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};
27
28/* DSA_NOTIFIER_AGEING_TIME */
29struct dsa_notifier_ageing_time_info {
30 struct switchdev_trans *trans;
31 unsigned int ageing_time;
32};
33
34/* DSA_NOTIFIER_BRIDGE_* */
35struct dsa_notifier_bridge_info {
36 struct net_device *br;
37 int sw_index;
38 int port;
39};
40
41/* DSA_NOTIFIER_FDB_* */
42struct dsa_notifier_fdb_info {
43 int sw_index;
44 int port;
45 const unsigned char *addr;
46 u16 vid;
47};
48
49/* DSA_NOTIFIER_MDB_* */
50struct dsa_notifier_mdb_info {
51 const struct switchdev_obj_port_mdb *mdb;
52 struct switchdev_trans *trans;
53 int sw_index;
54 int port;
55};
56
57/* DSA_NOTIFIER_VLAN_* */
58struct dsa_notifier_vlan_info {
59 const struct switchdev_obj_port_vlan *vlan;
60 struct switchdev_trans *trans;
61 int sw_index;
62 int port;
63};
64
65struct dsa_switchdev_event_work {
66 struct dsa_switch *ds;
67 int port;
68 struct work_struct work;
69 unsigned long event;
70 /* Specific for SWITCHDEV_FDB_ADD_TO_DEVICE and
71 * SWITCHDEV_FDB_DEL_TO_DEVICE
72 */
73 unsigned char addr[ETH_ALEN];
74 u16 vid;
75};
76
77struct dsa_slave_priv {
78 /* Copy of CPU port xmit for faster access in slave transmit hot path */
79 struct sk_buff * (*xmit)(struct sk_buff *skb,
80 struct net_device *dev);
81
82 struct pcpu_sw_netstats *stats64;
83
84 struct gro_cells gcells;
85
86 /* DSA port data, such as switch, port index, etc. */
87 struct dsa_port *dp;
88
89#ifdef CONFIG_NET_POLL_CONTROLLER
90 struct netpoll *netpoll;
91#endif
92
93 /* TC context */
94 struct list_head mall_tc_list;
95};
96
97/* dsa.c */
98const struct dsa_device_ops *dsa_tag_driver_get(int tag_protocol);
99void dsa_tag_driver_put(const struct dsa_device_ops *ops);
100
101bool dsa_schedule_work(struct work_struct *work);
102const char *dsa_tag_protocol_to_str(const struct dsa_device_ops *ops);
103
104int dsa_legacy_fdb_add(struct ndmsg *ndm, struct nlattr *tb[],
105 struct net_device *dev,
106 const unsigned char *addr, u16 vid,
107 u16 flags,
108 struct netlink_ext_ack *extack);
109int dsa_legacy_fdb_del(struct ndmsg *ndm, struct nlattr *tb[],
110 struct net_device *dev,
111 const unsigned char *addr, u16 vid);
112
113/* master.c */
114int dsa_master_setup(struct net_device *dev, struct dsa_port *cpu_dp);
115void dsa_master_teardown(struct net_device *dev);
116
117static inline struct net_device *dsa_master_find_slave(struct net_device *dev,
118 int device, int port)
119{
120 struct dsa_port *cpu_dp = dev->dsa_ptr;
121 struct dsa_switch_tree *dst = cpu_dp->dst;
122 struct dsa_switch *ds;
123 struct dsa_port *slave_port;
124
125 if (device < 0 || device >= DSA_MAX_SWITCHES)
126 return NULL;
127
128 ds = dst->ds[device];
129 if (!ds)
130 return NULL;
131
132 if (port < 0 || port >= ds->num_ports)
133 return NULL;
134
135 slave_port = &ds->ports[port];
136
137 if (unlikely(slave_port->type != DSA_PORT_TYPE_USER))
138 return NULL;
139
140 return slave_port->slave;
141}
142
143/* port.c */
144int dsa_port_set_state(struct dsa_port *dp, u8 state,
145 struct switchdev_trans *trans);
146int dsa_port_enable_rt(struct dsa_port *dp, struct phy_device *phy);
147int dsa_port_enable(struct dsa_port *dp, struct phy_device *phy);
148void dsa_port_disable_rt(struct dsa_port *dp);
149void dsa_port_disable(struct dsa_port *dp);
150int dsa_port_bridge_join(struct dsa_port *dp, struct net_device *br);
151void dsa_port_bridge_leave(struct dsa_port *dp, struct net_device *br);
152int dsa_port_vlan_filtering(struct dsa_port *dp, bool vlan_filtering,
153 struct switchdev_trans *trans);
154bool dsa_port_skip_vlan_configuration(struct dsa_port *dp);
155int dsa_port_ageing_time(struct dsa_port *dp, clock_t ageing_clock,
156 struct switchdev_trans *trans);
157int dsa_port_fdb_add(struct dsa_port *dp, const unsigned char *addr,
158 u16 vid);
159int dsa_port_fdb_del(struct dsa_port *dp, const unsigned char *addr,
160 u16 vid);
161int dsa_port_fdb_dump(struct dsa_port *dp, dsa_fdb_dump_cb_t *cb, void *data);
162int dsa_port_mdb_add(const struct dsa_port *dp,
163 const struct switchdev_obj_port_mdb *mdb,
164 struct switchdev_trans *trans);
165int dsa_port_mdb_del(const struct dsa_port *dp,
166 const struct switchdev_obj_port_mdb *mdb);
167int dsa_port_pre_bridge_flags(const struct dsa_port *dp, unsigned long flags,
168 struct switchdev_trans *trans);
169int dsa_port_bridge_flags(const struct dsa_port *dp, unsigned long flags,
170 struct switchdev_trans *trans);
171int dsa_port_mrouter(struct dsa_port *dp, bool mrouter,
172 struct switchdev_trans *trans);
173int dsa_port_vlan_add(struct dsa_port *dp,
174 const struct switchdev_obj_port_vlan *vlan,
175 struct switchdev_trans *trans);
176int dsa_port_vlan_del(struct dsa_port *dp,
177 const struct switchdev_obj_port_vlan *vlan);
178int dsa_port_vid_add(struct dsa_port *dp, u16 vid, u16 flags);
179int dsa_port_vid_del(struct dsa_port *dp, u16 vid);
180int dsa_port_link_register_of(struct dsa_port *dp);
181void dsa_port_link_unregister_of(struct dsa_port *dp);
182void dsa_port_phylink_validate(struct phylink_config *config,
183 unsigned long *supported,
184 struct phylink_link_state *state);
185int dsa_port_phylink_mac_link_state(struct phylink_config *config,
186 struct phylink_link_state *state);
187void dsa_port_phylink_mac_config(struct phylink_config *config,
188 unsigned int mode,
189 const struct phylink_link_state *state);
190void dsa_port_phylink_mac_an_restart(struct phylink_config *config);
191void dsa_port_phylink_mac_link_down(struct phylink_config *config,
192 unsigned int mode,
193 phy_interface_t interface);
194void dsa_port_phylink_mac_link_up(struct phylink_config *config,
195 unsigned int mode,
196 phy_interface_t interface,
197 struct phy_device *phydev);
198extern const struct phylink_mac_ops dsa_port_phylink_mac_ops;
199
200/* slave.c */
201extern const struct dsa_device_ops notag_netdev_ops;
202void dsa_slave_mii_bus_init(struct dsa_switch *ds);
203int dsa_slave_create(struct dsa_port *dp);
204void dsa_slave_destroy(struct net_device *slave_dev);
205bool dsa_slave_dev_check(const struct net_device *dev);
206int dsa_slave_suspend(struct net_device *slave_dev);
207int dsa_slave_resume(struct net_device *slave_dev);
208int dsa_slave_register_notifier(void);
209void dsa_slave_unregister_notifier(void);
210
211void *dsa_defer_xmit(struct sk_buff *skb, struct net_device *dev);
212
213static inline struct dsa_port *dsa_slave_to_port(const struct net_device *dev)
214{
215 struct dsa_slave_priv *p = netdev_priv(dev);
216
217 return p->dp;
218}
219
220static inline struct net_device *
221dsa_slave_to_master(const struct net_device *dev)
222{
223 struct dsa_port *dp = dsa_slave_to_port(dev);
224
225 return dp->cpu_dp->master;
226}
227
228/* switch.c */
229int dsa_switch_register_notifier(struct dsa_switch *ds);
230void dsa_switch_unregister_notifier(struct dsa_switch *ds);
231#endif