| /* 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 */ |