diff options
Diffstat (limited to 'net/dsa/dsa_priv.h')
| -rw-r--r-- | net/dsa/dsa_priv.h | 226 |
1 files changed, 226 insertions, 0 deletions
diff --git a/net/dsa/dsa_priv.h b/net/dsa/dsa_priv.h new file mode 100644 index 000000000..79d175076 --- /dev/null +++ b/net/dsa/dsa_priv.h @@ -0,0 +1,226 @@ +/* + * 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 <linux/phy.h> +#include <linux/netdevice.h> +#include <linux/netpoll.h> +#include <net/dsa.h> +#include <net/gro_cells.h> + +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; + + struct gro_cells gcells; + + /* 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_head mall_tc_list; +}; + +/* dsa.c */ +const struct dsa_device_ops *dsa_resolve_tag_protocol(int tag_protocol); +bool dsa_schedule_work(struct work_struct *work); + +/* 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_ksz.c */ +extern const struct dsa_device_ops ksz_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; + +#endif |