161 lines
3.7 KiB
C
161 lines
3.7 KiB
C
/*
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* switch.h: Switch configuration API
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*
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* Copyright (C) 2008 Felix Fietkau <nbd@openwrt.org>
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*/
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#ifndef _LINUX_SWITCH_H
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#define _LINUX_SWITCH_H
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#include <net/genetlink.h>
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#include <uapi/linux/switch.h>
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struct switch_dev;
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struct switch_op;
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struct switch_val;
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struct switch_attr;
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struct switch_attrlist;
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struct switch_led_trigger;
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int register_switch(struct switch_dev *dev, struct net_device *netdev);
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void unregister_switch(struct switch_dev *dev);
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/**
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* struct switch_attrlist - attribute list
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*
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* @n_attr: number of attributes
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* @attr: pointer to the attributes array
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*/
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struct switch_attrlist {
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int n_attr;
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const struct switch_attr *attr;
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};
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enum switch_port_speed {
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SWITCH_PORT_SPEED_UNKNOWN = 0,
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SWITCH_PORT_SPEED_10 = 10,
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SWITCH_PORT_SPEED_100 = 100,
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SWITCH_PORT_SPEED_1000 = 1000,
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};
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struct switch_port_link {
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bool link;
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bool duplex;
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bool aneg;
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bool tx_flow;
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bool rx_flow;
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enum switch_port_speed speed;
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};
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struct switch_port_stats {
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unsigned long tx_bytes;
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unsigned long rx_bytes;
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};
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/**
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* struct switch_dev_ops - switch driver operations
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*
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* @attr_global: global switch attribute list
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* @attr_port: port attribute list
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* @attr_vlan: vlan attribute list
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*
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* Callbacks:
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*
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* @get_vlan_ports: read the port list of a VLAN
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* @set_vlan_ports: set the port list of a VLAN
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*
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* @get_port_pvid: get the primary VLAN ID of a port
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* @set_port_pvid: set the primary VLAN ID of a port
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*
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* @apply_config: apply all changed settings to the switch
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* @reset_switch: resetting the switch
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*/
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struct switch_dev_ops {
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struct switch_attrlist attr_global, attr_port, attr_vlan;
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int (*get_vlan_ports)(struct switch_dev *dev, struct switch_val *val);
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int (*set_vlan_ports)(struct switch_dev *dev, struct switch_val *val);
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int (*get_port_pvid)(struct switch_dev *dev, int port, int *val);
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int (*set_port_pvid)(struct switch_dev *dev, int port, int val);
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int (*apply_config)(struct switch_dev *dev);
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int (*reset_switch)(struct switch_dev *dev);
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int (*get_port_link)(struct switch_dev *dev, int port,
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struct switch_port_link *link);
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int (*get_port_stats)(struct switch_dev *dev, int port,
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struct switch_port_stats *stats);
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};
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struct switch_dev {
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const struct switch_dev_ops *ops;
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/* will be automatically filled */
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char devname[IFNAMSIZ];
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const char *name;
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/* NB: either alias or netdev must be set */
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const char *alias;
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struct net_device *netdev;
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int ports;
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int vlans;
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int cpu_port;
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/* the following fields are internal for swconfig */
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int id;
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struct list_head dev_list;
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unsigned long def_global, def_port, def_vlan;
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struct mutex sw_mutex;
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struct switch_port *portbuf;
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char buf[128];
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#ifdef CONFIG_SWCONFIG_LEDS
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struct switch_led_trigger *led_trigger;
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#endif
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};
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struct switch_port {
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u32 id;
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u32 flags;
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};
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struct switch_val {
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const struct switch_attr *attr;
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int port_vlan;
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int len;
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union {
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const char *s;
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u32 i;
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struct switch_port *ports;
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} value;
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};
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struct switch_attr {
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int disabled;
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int type;
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const char *name;
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const char *description;
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int (*set)(struct switch_dev *dev, const struct switch_attr *attr, struct switch_val *val);
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int (*get)(struct switch_dev *dev, const struct switch_attr *attr, struct switch_val *val);
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/* for driver internal use */
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int id;
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int ofs;
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int max;
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};
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#endif /* _LINUX_SWITCH_H */
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