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