/* SPDX-License-Identifier: GPL-2.0 */
|
#ifndef __DSA_PDATA_H
|
#define __DSA_PDATA_H
|
|
struct device;
|
struct net_device;
|
|
#define DSA_MAX_SWITCHES 4
|
#define DSA_MAX_PORTS 12
|
#define DSA_RTABLE_NONE -1
|
|
struct dsa_chip_data {
|
/*
|
* How to access the switch configuration registers.
|
*/
|
struct device *host_dev;
|
int sw_addr;
|
|
/*
|
* Reference to network devices
|
*/
|
struct device *netdev[DSA_MAX_PORTS];
|
|
/* set to size of eeprom if supported by the switch */
|
int eeprom_len;
|
|
/* Device tree node pointer for this specific switch chip
|
* used during switch setup in case additional properties
|
* and resources needs to be used
|
*/
|
struct device_node *of_node;
|
|
/*
|
* The names of the switch's ports. Use "cpu" to
|
* designate the switch port that the cpu is connected to,
|
* "dsa" to indicate that this port is a DSA link to
|
* another switch, NULL to indicate the port is unused,
|
* or any other string to indicate this is a physical port.
|
*/
|
char *port_names[DSA_MAX_PORTS];
|
struct device_node *port_dn[DSA_MAX_PORTS];
|
|
/*
|
* An array of which element [a] indicates which port on this
|
* switch should be used to send packets to that are destined
|
* for switch a. Can be NULL if there is only one switch chip.
|
*/
|
s8 rtable[DSA_MAX_SWITCHES];
|
};
|
|
struct dsa_platform_data {
|
/*
|
* Reference to a Linux network interface that connects
|
* to the root switch chip of the tree.
|
*/
|
struct device *netdev;
|
struct net_device *of_netdev;
|
|
/*
|
* Info structs describing each of the switch chips
|
* connected via this network interface.
|
*/
|
int nr_chips;
|
struct dsa_chip_data *chip;
|
};
|
|
|
#endif /* __DSA_PDATA_H */
|
