2 * net/dsa/dsa_priv.h - Hardware switch handling
3 * Copyright (c) 2008-2009 Marvell Semiconductor
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.
14 #include <linux/phy.h>
15 #include <linux/netdevice.h>
16 #include <linux/netpoll.h>
18 #include <net/gro_cells.h>
21 DSA_NOTIFIER_AGEING_TIME,
22 DSA_NOTIFIER_BRIDGE_JOIN,
23 DSA_NOTIFIER_BRIDGE_LEAVE,
28 DSA_NOTIFIER_VLAN_ADD,
29 DSA_NOTIFIER_VLAN_DEL,
32 /* DSA_NOTIFIER_AGEING_TIME */
33 struct dsa_notifier_ageing_time_info {
34 struct switchdev_trans *trans;
35 unsigned int ageing_time;
38 /* DSA_NOTIFIER_BRIDGE_* */
39 struct dsa_notifier_bridge_info {
40 struct net_device *br;
45 /* DSA_NOTIFIER_FDB_* */
46 struct dsa_notifier_fdb_info {
49 const unsigned char *addr;
53 /* DSA_NOTIFIER_MDB_* */
54 struct dsa_notifier_mdb_info {
55 const struct switchdev_obj_port_mdb *mdb;
56 struct switchdev_trans *trans;
61 /* DSA_NOTIFIER_VLAN_* */
62 struct dsa_notifier_vlan_info {
63 const struct switchdev_obj_port_vlan *vlan;
64 struct switchdev_trans *trans;
69 struct dsa_slave_priv {
70 /* Copy of CPU port xmit for faster access in slave transmit hot path */
71 struct sk_buff * (*xmit)(struct sk_buff *skb,
72 struct net_device *dev);
74 struct pcpu_sw_netstats *stats64;
76 struct gro_cells gcells;
78 /* DSA port data, such as switch, port index, etc. */
81 #ifdef CONFIG_NET_POLL_CONTROLLER
82 struct netpoll *netpoll;
86 struct list_head mall_tc_list;
90 const struct dsa_device_ops *dsa_resolve_tag_protocol(int tag_protocol);
91 bool dsa_schedule_work(struct work_struct *work);
94 #if IS_ENABLED(CONFIG_NET_DSA_LEGACY)
95 int dsa_legacy_register(void);
96 void dsa_legacy_unregister(void);
98 static inline int dsa_legacy_register(void)
103 static inline void dsa_legacy_unregister(void) { }
105 int dsa_legacy_fdb_add(struct ndmsg *ndm, struct nlattr *tb[],
106 struct net_device *dev,
107 const unsigned char *addr, u16 vid,
109 int dsa_legacy_fdb_del(struct ndmsg *ndm, struct nlattr *tb[],
110 struct net_device *dev,
111 const unsigned char *addr, u16 vid);
114 int dsa_master_setup(struct net_device *dev, struct dsa_port *cpu_dp);
115 void dsa_master_teardown(struct net_device *dev);
117 static inline struct net_device *dsa_master_find_slave(struct net_device *dev,
118 int device, int port)
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;
125 if (device < 0 || device >= DSA_MAX_SWITCHES)
128 ds = dst->ds[device];
132 if (port < 0 || port >= ds->num_ports)
135 slave_port = &ds->ports[port];
137 if (unlikely(slave_port->type != DSA_PORT_TYPE_USER))
140 return slave_port->slave;
144 int dsa_port_set_state(struct dsa_port *dp, u8 state,
145 struct switchdev_trans *trans);
146 int dsa_port_enable(struct dsa_port *dp, struct phy_device *phy);
147 void dsa_port_disable(struct dsa_port *dp, struct phy_device *phy);
148 int dsa_port_bridge_join(struct dsa_port *dp, struct net_device *br);
149 void dsa_port_bridge_leave(struct dsa_port *dp, struct net_device *br);
150 int dsa_port_vlan_filtering(struct dsa_port *dp, bool vlan_filtering,
151 struct switchdev_trans *trans);
152 int dsa_port_ageing_time(struct dsa_port *dp, clock_t ageing_clock,
153 struct switchdev_trans *trans);
154 int dsa_port_fdb_add(struct dsa_port *dp, const unsigned char *addr,
156 int dsa_port_fdb_del(struct dsa_port *dp, const unsigned char *addr,
158 int dsa_port_fdb_dump(struct dsa_port *dp, dsa_fdb_dump_cb_t *cb, void *data);
159 int dsa_port_mdb_add(const struct dsa_port *dp,
160 const struct switchdev_obj_port_mdb *mdb,
161 struct switchdev_trans *trans);
162 int dsa_port_mdb_del(const struct dsa_port *dp,
163 const struct switchdev_obj_port_mdb *mdb);
164 int dsa_port_vlan_add(struct dsa_port *dp,
165 const struct switchdev_obj_port_vlan *vlan,
166 struct switchdev_trans *trans);
167 int dsa_port_vlan_del(struct dsa_port *dp,
168 const struct switchdev_obj_port_vlan *vlan);
169 int dsa_port_link_register_of(struct dsa_port *dp);
170 void dsa_port_link_unregister_of(struct dsa_port *dp);
173 extern const struct dsa_device_ops notag_netdev_ops;
174 void dsa_slave_mii_bus_init(struct dsa_switch *ds);
175 int dsa_slave_create(struct dsa_port *dp);
176 void dsa_slave_destroy(struct net_device *slave_dev);
177 int dsa_slave_suspend(struct net_device *slave_dev);
178 int dsa_slave_resume(struct net_device *slave_dev);
179 int dsa_slave_register_notifier(void);
180 void dsa_slave_unregister_notifier(void);
182 static inline struct dsa_port *dsa_slave_to_port(const struct net_device *dev)
184 struct dsa_slave_priv *p = netdev_priv(dev);
189 static inline struct net_device *
190 dsa_slave_to_master(const struct net_device *dev)
192 struct dsa_port *dp = dsa_slave_to_port(dev);
194 return dp->cpu_dp->master;
198 int dsa_switch_register_notifier(struct dsa_switch *ds);
199 void dsa_switch_unregister_notifier(struct dsa_switch *ds);
202 extern const struct dsa_device_ops brcm_netdev_ops;
203 extern const struct dsa_device_ops brcm_prepend_netdev_ops;
206 extern const struct dsa_device_ops dsa_netdev_ops;
209 extern const struct dsa_device_ops edsa_netdev_ops;
212 extern const struct dsa_device_ops ksz_netdev_ops;
215 extern const struct dsa_device_ops lan9303_netdev_ops;
218 extern const struct dsa_device_ops mtk_netdev_ops;
221 extern const struct dsa_device_ops qca_netdev_ops;
224 extern const struct dsa_device_ops trailer_netdev_ops;