/*

* net/dsa/dsa_priv.h - Hardware switch handling

* Copyright (c) 2008-2009 Marvell Semiconductor

*

* This program is free software; you can redistribute it and/or modify

* it under the terms of the GNU General Public License as published by

* the Free Software Foundation; either version 2 of the License, or

* (at your option) any later version.

*/

#ifndef __DSA_PRIV_H

#define __DSA_PRIV_H

#include

#include

#include

#include

enum {

DSA_NOTIFIER_AGEING_TIME,

DSA_NOTIFIER_BRIDGE_JOIN,

DSA_NOTIFIER_BRIDGE_LEAVE,

DSA_NOTIFIER_FDB_ADD,

DSA_NOTIFIER_FDB_DEL,

DSA_NOTIFIER_MDB_ADD,

DSA_NOTIFIER_MDB_DEL,

DSA_NOTIFIER_VLAN_ADD,

DSA_NOTIFIER_VLAN_DEL,

};

/* DSA_NOTIFIER_AGEING_TIME */

struct dsa_notifier_ageing_time_info {

struct switchdev_trans *trans;

unsigned int ageing_time;

};

/* DSA_NOTIFIER_BRIDGE_* */

struct dsa_notifier_bridge_info {

struct net_device *br;

int sw_index;

int port;

};

/* DSA_NOTIFIER_FDB_* */

struct dsa_notifier_fdb_info {

int sw_index;

int port;

const unsigned char *addr;

u16 vid;

};

/* DSA_NOTIFIER_MDB_* */

struct dsa_notifier_mdb_info {

const struct switchdev_obj_port_mdb *mdb;

struct switchdev_trans *trans;

int sw_index;

int port;

};

/* DSA_NOTIFIER_VLAN_* */

struct dsa_notifier_vlan_info {

const struct switchdev_obj_port_vlan *vlan;

struct switchdev_trans *trans;

int sw_index;

int port;

};

struct dsa_slave_priv {

/* Copy of CPU port xmit for faster access in slave transmit hot path */

struct sk_buff *(*xmit)(struct sk_buff *skb,

struct net_device *dev);

struct pcpu_sw_netstats*stats64;

/* DSA port data, such as switch, port index, etc. */

struct dsa_port*dp;

#ifdef CONFIG_NET_POLL_CONTROLLER

struct netpoll*netpoll;

#endif

/* TC context */

struct list_headmall_tc_list;

};

/* dsa.c */

const struct dsa_device_ops *dsa_resolve_tag_protocol(int tag_protocol);

bool dsa_schedule_work(struct work_struct *work);

const char *dsa_tag_protocol_to_str(const struct dsa_device_ops *ops);

/* legacy.c */

#if IS_ENABLED(CONFIG_NET_DSA_LEGACY)

int dsa_legacy_register(void);

void dsa_legacy_unregister(void);

#else

static inline int dsa_legacy_register(void)

{

return 0;

}

static inline void dsa_legacy_unregister(void) { }

#endif

int dsa_legacy_fdb_add(struct ndmsg *ndm, struct nlattr *tb[],

struct net_device *dev,

const unsigned char *addr, u16 vid,

u16 flags);

int dsa_legacy_fdb_del(struct ndmsg *ndm, struct nlattr *tb[],

struct net_device *dev,

const unsigned char *addr, u16 vid);

/* master.c */

int dsa_master_setup(struct net_device *dev, struct dsa_port *cpu_dp);

void dsa_master_teardown(struct net_device *dev);

static inline struct net_device *dsa_master_find_slave(struct net_device *dev,

int device, int port)

{

struct dsa_port *cpu_dp = dev->dsa_ptr;

struct dsa_switch_tree *dst = cpu_dp->dst;

struct dsa_switch *ds;

struct dsa_port *slave_port;

if (device < 0 || device >= DSA_MAX_SWITCHES)

return NULL;

ds = dst->ds[device];

if (!ds)

return NULL;

if (port < 0 || port >= ds->num_ports)

return NULL;

slave_port = &ds->ports[port];

if (unlikely(slave_port->type != DSA_PORT_TYPE_USER))

return NULL;

return slave_port->slave;

}

/* port.c */

int dsa_port_set_state(struct dsa_port *dp, u8 state,

struct switchdev_trans *trans);

int dsa_port_enable(struct dsa_port *dp, struct phy_device *phy);

void dsa_port_disable(struct dsa_port *dp, struct phy_device *phy);

int dsa_port_bridge_join(struct dsa_port *dp, struct net_device *br);

void dsa_port_bridge_leave(struct dsa_port *dp, struct net_device *br);

int dsa_port_vlan_filtering(struct dsa_port *dp, bool vlan_filtering,

struct switchdev_trans *trans);

int dsa_port_ageing_time(struct dsa_port *dp, clock_t ageing_clock,

struct switchdev_trans *trans);

int dsa_port_fdb_add(struct dsa_port *dp, const unsigned char *addr,

u16 vid);

int dsa_port_fdb_del(struct dsa_port *dp, const unsigned char *addr,

u16 vid);

int dsa_port_fdb_dump(struct dsa_port *dp, dsa_fdb_dump_cb_t *cb, void *data);

int dsa_port_mdb_add(const struct dsa_port *dp,

const struct switchdev_obj_port_mdb *mdb,

struct switchdev_trans *trans);

int dsa_port_mdb_del(const struct dsa_port *dp,

const struct switchdev_obj_port_mdb *mdb);

int dsa_port_vlan_add(struct dsa_port *dp,

const struct switchdev_obj_port_vlan *vlan,

struct switchdev_trans *trans);

int dsa_port_vlan_del(struct dsa_port *dp,

const struct switchdev_obj_port_vlan *vlan);

int dsa_port_link_register_of(struct dsa_port *dp);

void dsa_port_link_unregister_of(struct dsa_port *dp);

/* slave.c */

extern const struct dsa_device_ops notag_netdev_ops;

void dsa_slave_mii_bus_init(struct dsa_switch *ds);

int dsa_slave_create(struct dsa_port *dp);

void dsa_slave_destroy(struct net_device *slave_dev);

int dsa_slave_suspend(struct net_device *slave_dev);

int dsa_slave_resume(struct net_device *slave_dev);

int dsa_slave_register_notifier(void);

void dsa_slave_unregister_notifier(void);

static inline struct dsa_port *dsa_slave_to_port(const struct net_device *dev)

{

struct dsa_slave_priv *p = netdev_priv(dev);

return p->dp;

}

static inline struct net_device *

dsa_slave_to_master(const struct net_device *dev)

{

struct dsa_port *dp = dsa_slave_to_port(dev);

return dp->cpu_dp->master;

}

/* switch.c */

int dsa_switch_register_notifier(struct dsa_switch *ds);

void dsa_switch_unregister_notifier(struct dsa_switch *ds);

/* tag_brcm.c */

extern const struct dsa_device_ops brcm_netdev_ops;

extern const struct dsa_device_ops brcm_prepend_netdev_ops;

/* tag_dsa.c */

extern const struct dsa_device_ops dsa_netdev_ops;

/* tag_edsa.c */

extern const struct dsa_device_ops edsa_netdev_ops;

/* tag_gswip.c */

extern const struct dsa_device_ops gswip_netdev_ops;

/* tag_ksz.c */

extern const struct dsa_device_ops ksz9477_netdev_ops;

/* tag_lan9303.c */

extern const struct dsa_device_ops lan9303_netdev_ops;

/* tag_mtk.c */

extern const struct dsa_device_ops mtk_netdev_ops;

/* tag_qca.c */

extern const struct dsa_device_ops qca_netdev_ops;

/* tag_trailer.c */

extern const struct dsa_device_ops trailer_netdev_ops;

#