This source file includes following definitions.
- dsa_is_cpu_port
- dsa_upstream_port
- ds_to_priv
- dsa_uses_tagged_protocol
#ifndef __LINUX_NET_DSA_H
#define __LINUX_NET_DSA_H
#include <linux/if_ether.h>
#include <linux/list.h>
#include <linux/timer.h>
#include <linux/workqueue.h>
#include <linux/of.h>
#include <linux/phy.h>
#include <linux/phy_fixed.h>
#include <linux/ethtool.h>
enum dsa_tag_protocol {
DSA_TAG_PROTO_NONE = 0,
DSA_TAG_PROTO_DSA,
DSA_TAG_PROTO_TRAILER,
DSA_TAG_PROTO_EDSA,
DSA_TAG_PROTO_BRCM,
};
#define DSA_MAX_SWITCHES 4
#define DSA_MAX_PORTS 12
struct dsa_chip_data {
struct device *host_dev;
int sw_addr;
struct device_node *of_node;
char *port_names[DSA_MAX_PORTS];
struct device_node *port_dn[DSA_MAX_PORTS];
s8 *rtable;
};
struct dsa_platform_data {
struct device *netdev;
int nr_chips;
struct dsa_chip_data *chip;
};
struct packet_type;
struct dsa_switch_tree {
struct dsa_platform_data *pd;
struct net_device *master_netdev;
int (*rcv)(struct sk_buff *skb,
struct net_device *dev,
struct packet_type *pt,
struct net_device *orig_dev);
enum dsa_tag_protocol tag_protocol;
s8 cpu_switch;
s8 cpu_port;
int link_poll_needed;
struct work_struct link_poll_work;
struct timer_list link_poll_timer;
struct dsa_switch *ds[DSA_MAX_SWITCHES];
};
struct dsa_switch {
struct dsa_switch_tree *dst;
int index;
struct dsa_chip_data *pd;
struct dsa_switch_driver *drv;
struct device *master_dev;
u32 dsa_port_mask;
u32 phys_port_mask;
u32 phys_mii_mask;
struct mii_bus *slave_mii_bus;
struct net_device *ports[DSA_MAX_PORTS];
};
static inline bool dsa_is_cpu_port(struct dsa_switch *ds, int p)
{
return !!(ds->index == ds->dst->cpu_switch && p == ds->dst->cpu_port);
}
static inline u8 dsa_upstream_port(struct dsa_switch *ds)
{
struct dsa_switch_tree *dst = ds->dst;
if (dst->cpu_switch == ds->index)
return dst->cpu_port;
else
return ds->pd->rtable[dst->cpu_switch];
}
struct dsa_switch_driver {
struct list_head list;
enum dsa_tag_protocol tag_protocol;
int priv_size;
char *(*probe)(struct device *host_dev, int sw_addr);
int (*setup)(struct dsa_switch *ds);
int (*set_addr)(struct dsa_switch *ds, u8 *addr);
u32 (*get_phy_flags)(struct dsa_switch *ds, int port);
int (*phy_read)(struct dsa_switch *ds, int port, int regnum);
int (*phy_write)(struct dsa_switch *ds, int port,
int regnum, u16 val);
void (*poll_link)(struct dsa_switch *ds);
void (*adjust_link)(struct dsa_switch *ds, int port,
struct phy_device *phydev);
void (*fixed_link_update)(struct dsa_switch *ds, int port,
struct fixed_phy_status *st);
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);
void (*get_wol)(struct dsa_switch *ds, int port,
struct ethtool_wolinfo *w);
int (*set_wol)(struct dsa_switch *ds, int port,
struct ethtool_wolinfo *w);
int (*suspend)(struct dsa_switch *ds);
int (*resume)(struct dsa_switch *ds);
int (*port_enable)(struct dsa_switch *ds, int port,
struct phy_device *phy);
void (*port_disable)(struct dsa_switch *ds, int port,
struct phy_device *phy);
int (*set_eee)(struct dsa_switch *ds, int port,
struct phy_device *phydev,
struct ethtool_eee *e);
int (*get_eee)(struct dsa_switch *ds, int port,
struct ethtool_eee *e);
};
void register_switch_driver(struct dsa_switch_driver *type);
void unregister_switch_driver(struct dsa_switch_driver *type);
struct mii_bus *dsa_host_dev_to_mii_bus(struct device *dev);
static inline void *ds_to_priv(struct dsa_switch *ds)
{
return (void *)(ds + 1);
}
static inline bool dsa_uses_tagged_protocol(struct dsa_switch_tree *dst)
{
return dst->rcv != NULL;
}
#endif