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>
20 DSA_NOTIFIER_AGEING_TIME,
21 DSA_NOTIFIER_BRIDGE_JOIN,
22 DSA_NOTIFIER_BRIDGE_LEAVE,
27 DSA_NOTIFIER_VLAN_ADD,
28 DSA_NOTIFIER_VLAN_DEL,
31 /* DSA_NOTIFIER_AGEING_TIME */
32 struct dsa_notifier_ageing_time_info {
33 struct switchdev_trans *trans;
34 unsigned int ageing_time;
37 /* DSA_NOTIFIER_BRIDGE_* */
38 struct dsa_notifier_bridge_info {
39 struct net_device *br;
44 /* DSA_NOTIFIER_FDB_* */
45 struct dsa_notifier_fdb_info {
48 const unsigned char *addr;
52 /* DSA_NOTIFIER_MDB_* */
53 struct dsa_notifier_mdb_info {
54 const struct switchdev_obj_port_mdb *mdb;
55 struct switchdev_trans *trans;
60 /* DSA_NOTIFIER_VLAN_* */
61 struct dsa_notifier_vlan_info {
62 const struct switchdev_obj_port_vlan *vlan;
63 struct switchdev_trans *trans;
68 struct 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);
73 struct pcpu_sw_netstats *stats64;
75 /* DSA port data, such as switch, port index, etc. */
78 #ifdef CONFIG_NET_POLL_CONTROLLER
79 struct netpoll *netpoll;
83 struct list_head mall_tc_list;
87 const struct dsa_device_ops *dsa_resolve_tag_protocol(int tag_protocol);
88 bool dsa_schedule_work(struct work_struct *work);
89 const char *dsa_tag_protocol_to_str(const struct dsa_device_ops *ops);
92 #if IS_ENABLED(CONFIG_NET_DSA_LEGACY)
93 int dsa_legacy_register(void);
94 void dsa_legacy_unregister(void);
96 static inline int dsa_legacy_register(void)
101 static inline void dsa_legacy_unregister(void) { }
103 int dsa_legacy_fdb_add(struct ndmsg *ndm, struct nlattr *tb[],
104 struct net_device *dev,
105 const unsigned char *addr, u16 vid,
107 struct netlink_ext_ack *extack);
108 int dsa_legacy_fdb_del(struct ndmsg *ndm, struct nlattr *tb[],
109 struct net_device *dev,
110 const unsigned char *addr, u16 vid);
113 int dsa_master_setup(struct net_device *dev, struct dsa_port *cpu_dp);
114 void dsa_master_teardown(struct net_device *dev);
116 static inline struct net_device *dsa_master_find_slave(struct net_device *dev,
117 int device, int port)
119 struct dsa_port *cpu_dp = dev->dsa_ptr;
120 struct dsa_switch_tree *dst = cpu_dp->dst;
121 struct dsa_switch *ds;
122 struct dsa_port *slave_port;
124 if (device < 0 || device >= DSA_MAX_SWITCHES)
127 ds = dst->ds[device];
131 if (port < 0 || port >= ds->num_ports)
134 slave_port = &ds->ports[port];
136 if (unlikely(slave_port->type != DSA_PORT_TYPE_USER))
139 return slave_port->slave;
143 int dsa_port_set_state(struct dsa_port *dp, u8 state,
144 struct switchdev_trans *trans);
145 int dsa_port_enable(struct dsa_port *dp, struct phy_device *phy);
146 void dsa_port_disable(struct dsa_port *dp);
147 int dsa_port_bridge_join(struct dsa_port *dp, struct net_device *br);
148 void dsa_port_bridge_leave(struct dsa_port *dp, struct net_device *br);
149 int dsa_port_vlan_filtering(struct dsa_port *dp, bool vlan_filtering,
150 struct switchdev_trans *trans);
151 int dsa_port_ageing_time(struct dsa_port *dp, clock_t ageing_clock,
152 struct switchdev_trans *trans);
153 int dsa_port_fdb_add(struct dsa_port *dp, const unsigned char *addr,
155 int dsa_port_fdb_del(struct dsa_port *dp, const unsigned char *addr,
157 int dsa_port_fdb_dump(struct dsa_port *dp, dsa_fdb_dump_cb_t *cb, void *data);
158 int dsa_port_mdb_add(const struct dsa_port *dp,
159 const struct switchdev_obj_port_mdb *mdb,
160 struct switchdev_trans *trans);
161 int dsa_port_mdb_del(const struct dsa_port *dp,
162 const struct switchdev_obj_port_mdb *mdb);
163 int dsa_port_pre_bridge_flags(const struct dsa_port *dp, unsigned long flags,
164 struct switchdev_trans *trans);
165 int dsa_port_bridge_flags(const struct dsa_port *dp, unsigned long flags,
166 struct switchdev_trans *trans);
167 int dsa_port_vlan_add(struct dsa_port *dp,
168 const struct switchdev_obj_port_vlan *vlan,
169 struct switchdev_trans *trans);
170 int dsa_port_vlan_del(struct dsa_port *dp,
171 const struct switchdev_obj_port_vlan *vlan);
172 int dsa_port_link_register_of(struct dsa_port *dp);
173 void dsa_port_link_unregister_of(struct dsa_port *dp);
176 extern const struct dsa_device_ops notag_netdev_ops;
177 void dsa_slave_mii_bus_init(struct dsa_switch *ds);
178 int dsa_slave_create(struct dsa_port *dp);
179 void dsa_slave_destroy(struct net_device *slave_dev);
180 int dsa_slave_suspend(struct net_device *slave_dev);
181 int dsa_slave_resume(struct net_device *slave_dev);
182 int dsa_slave_register_notifier(void);
183 void dsa_slave_unregister_notifier(void);
185 static inline struct dsa_port *dsa_slave_to_port(const struct net_device *dev)
187 struct dsa_slave_priv *p = netdev_priv(dev);
192 static inline struct net_device *
193 dsa_slave_to_master(const struct net_device *dev)
195 struct dsa_port *dp = dsa_slave_to_port(dev);
197 return dp->cpu_dp->master;
201 int dsa_switch_register_notifier(struct dsa_switch *ds);
202 void dsa_switch_unregister_notifier(struct dsa_switch *ds);
205 extern const struct dsa_device_ops brcm_netdev_ops;
206 extern const struct dsa_device_ops brcm_prepend_netdev_ops;
209 extern const struct dsa_device_ops dsa_netdev_ops;
212 extern const struct dsa_device_ops edsa_netdev_ops;
215 extern const struct dsa_device_ops gswip_netdev_ops;
218 extern const struct dsa_device_ops ksz9477_netdev_ops;
219 extern const struct dsa_device_ops ksz9893_netdev_ops;
222 extern const struct dsa_device_ops lan9303_netdev_ops;
225 extern const struct dsa_device_ops mtk_netdev_ops;
228 extern const struct dsa_device_ops qca_netdev_ops;
231 extern const struct dsa_device_ops trailer_netdev_ops;