diff options
Diffstat (limited to 'net/dsa/dsa_priv.h')
-rw-r--r-- | net/dsa/dsa_priv.h | 116 |
1 files changed, 116 insertions, 0 deletions
diff --git a/net/dsa/dsa_priv.h b/net/dsa/dsa_priv.h new file mode 100644 index 000000000000..7063378a1ebf --- /dev/null +++ b/net/dsa/dsa_priv.h @@ -0,0 +1,116 @@ +/* + * net/dsa/dsa_priv.h - Hardware switch handling + * Copyright (c) 2008 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/list.h> +#include <linux/phy.h> +#include <linux/timer.h> +#include <linux/workqueue.h> +#include <net/dsa.h> + +struct dsa_switch { + /* + * Configuration data for the platform device that owns + * this dsa switch instance. + */ + struct dsa_platform_data *pd; + + /* + * References to network device and mii bus to use. + */ + struct net_device *master_netdev; + struct mii_bus *master_mii_bus; + + /* + * The used switch driver and frame tagging type. + */ + struct dsa_switch_driver *drv; + __be16 tag_protocol; + + /* + * Slave mii_bus and devices for the individual ports. + */ + int cpu_port; + u32 valid_port_mask; + struct mii_bus *slave_mii_bus; + struct net_device *ports[DSA_MAX_PORTS]; + + /* + * Link state polling. + */ + struct work_struct link_poll_work; + struct timer_list link_poll_timer; +}; + +struct dsa_slave_priv { + struct net_device *dev; + struct dsa_switch *parent; + int port; + struct phy_device *phy; +}; + +struct dsa_switch_driver { + struct list_head list; + + __be16 tag_protocol; + int priv_size; + + /* + * Probing and setup. + */ + char *(*probe)(struct mii_bus *bus, int sw_addr); + int (*setup)(struct dsa_switch *ds); + int (*set_addr)(struct dsa_switch *ds, u8 *addr); + + /* + * Access to the switch's PHY registers. + */ + int (*phy_read)(struct dsa_switch *ds, int port, int regnum); + int (*phy_write)(struct dsa_switch *ds, int port, + int regnum, u16 val); + + /* + * Link state polling and IRQ handling. + */ + void (*poll_link)(struct dsa_switch *ds); + + /* + * ethtool hardware statistics. + */ + void (*get_strings)(struct dsa_switch *ds, int port, uint8_t *data); + void (*get_ethtool_stats)(struct dsa_switch *ds, + int port, uint64_t *data); + int (*get_sset_count)(struct dsa_switch *ds); +}; + +/* dsa.c */ +extern char dsa_driver_version[]; +void register_switch_driver(struct dsa_switch_driver *type); +void unregister_switch_driver(struct dsa_switch_driver *type); + +/* slave.c */ +void dsa_slave_mii_bus_init(struct dsa_switch *ds); +struct net_device *dsa_slave_create(struct dsa_switch *ds, + struct device *parent, + int port, char *name); + +/* tag_dsa.c */ +int dsa_xmit(struct sk_buff *skb, struct net_device *dev); + +/* tag_edsa.c */ +int edsa_xmit(struct sk_buff *skb, struct net_device *dev); + +/* tag_trailer.c */ +int trailer_xmit(struct sk_buff *skb, struct net_device *dev); + + +#endif |