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/* 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 */
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