diff options
Diffstat (limited to 'target/linux/generic/files/include/linux/switch.h')
| -rw-r--r-- | target/linux/generic/files/include/linux/switch.h | 237 |
1 files changed, 237 insertions, 0 deletions
diff --git a/target/linux/generic/files/include/linux/switch.h b/target/linux/generic/files/include/linux/switch.h new file mode 100644 index 000000000..4f4085ef8 --- /dev/null +++ b/target/linux/generic/files/include/linux/switch.h @@ -0,0 +1,237 @@ +/* + * switch.h: Switch configuration API + * + * Copyright (C) 2008 Felix Fietkau <nbd@openwrt.org> + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version 2 + * of the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + */ + +#ifndef __LINUX_SWITCH_H +#define __LINUX_SWITCH_H + +#include <linux/types.h> +#include <linux/netdevice.h> +#include <linux/netlink.h> +#include <linux/genetlink.h> +#ifndef __KERNEL__ +#include <netlink/netlink.h> +#include <netlink/genl/genl.h> +#include <netlink/genl/ctrl.h> +#else +#include <net/genetlink.h> +#endif + +/* main attributes */ +enum { + SWITCH_ATTR_UNSPEC, + /* global */ + SWITCH_ATTR_TYPE, + /* device */ + SWITCH_ATTR_ID, + SWITCH_ATTR_DEV_NAME, + SWITCH_ATTR_ALIAS, + SWITCH_ATTR_NAME, + SWITCH_ATTR_VLANS, + SWITCH_ATTR_PORTS, + SWITCH_ATTR_CPU_PORT, + /* attributes */ + SWITCH_ATTR_OP_ID, + SWITCH_ATTR_OP_TYPE, + SWITCH_ATTR_OP_NAME, + SWITCH_ATTR_OP_PORT, + SWITCH_ATTR_OP_VLAN, + SWITCH_ATTR_OP_VALUE_INT, + SWITCH_ATTR_OP_VALUE_STR, + SWITCH_ATTR_OP_VALUE_PORTS, + SWITCH_ATTR_OP_DESCRIPTION, + /* port lists */ + SWITCH_ATTR_PORT, + SWITCH_ATTR_MAX +}; + +/* commands */ +enum { + SWITCH_CMD_UNSPEC, + SWITCH_CMD_GET_SWITCH, + SWITCH_CMD_NEW_ATTR, + SWITCH_CMD_LIST_GLOBAL, + SWITCH_CMD_GET_GLOBAL, + SWITCH_CMD_SET_GLOBAL, + SWITCH_CMD_LIST_PORT, + SWITCH_CMD_GET_PORT, + SWITCH_CMD_SET_PORT, + SWITCH_CMD_LIST_VLAN, + SWITCH_CMD_GET_VLAN, + SWITCH_CMD_SET_VLAN +}; + +/* data types */ +enum switch_val_type { + SWITCH_TYPE_UNSPEC, + SWITCH_TYPE_INT, + SWITCH_TYPE_STRING, + SWITCH_TYPE_PORTS, + SWITCH_TYPE_NOVAL, +}; + +/* port nested attributes */ +enum { + SWITCH_PORT_UNSPEC, + SWITCH_PORT_ID, + SWITCH_PORT_FLAG_TAGGED, + SWITCH_PORT_ATTR_MAX +}; + +#define SWITCH_ATTR_DEFAULTS_OFFSET 0x1000 + +#ifdef __KERNEL__ + +struct switch_dev; +struct switch_op; +struct switch_val; +struct switch_attr; +struct switch_attrlist; +struct switch_led_trigger; + +int register_switch(struct switch_dev *dev, struct net_device *netdev); +void unregister_switch(struct switch_dev *dev); + +/** + * struct switch_attrlist - attribute list + * + * @n_attr: number of attributes + * @attr: pointer to the attributes array + */ +struct switch_attrlist { + int n_attr; + const struct switch_attr *attr; +}; + +enum switch_port_speed { + SWITCH_PORT_SPEED_UNKNOWN = 0, + SWITCH_PORT_SPEED_10 = 10, + SWITCH_PORT_SPEED_100 = 100, + SWITCH_PORT_SPEED_1000 = 1000, +}; + +struct switch_port_link { + bool link; + bool duplex; + bool aneg; + bool tx_flow; + bool rx_flow; + enum switch_port_speed speed; +}; + +struct switch_port_stats { + unsigned long tx_bytes; + unsigned long rx_bytes; +}; + +/** + * struct switch_dev_ops - switch driver operations + * + * @attr_global: global switch attribute list + * @attr_port: port attribute list + * @attr_vlan: vlan attribute list + * + * Callbacks: + * + * @get_vlan_ports: read the port list of a VLAN + * @set_vlan_ports: set the port list of a VLAN + * + * @get_port_pvid: get the primary VLAN ID of a port + * @set_port_pvid: set the primary VLAN ID of a port + * + * @apply_config: apply all changed settings to the switch + * @reset_switch: resetting the switch + */ +struct switch_dev_ops { + struct switch_attrlist attr_global, attr_port, attr_vlan; + + int (*get_vlan_ports)(struct switch_dev *dev, struct switch_val *val); + int (*set_vlan_ports)(struct switch_dev *dev, struct switch_val *val); + + int (*get_port_pvid)(struct switch_dev *dev, int port, int *val); + int (*set_port_pvid)(struct switch_dev *dev, int port, int val); + + int (*apply_config)(struct switch_dev *dev); + int (*reset_switch)(struct switch_dev *dev); + + int (*get_port_link)(struct switch_dev *dev, int port, + struct switch_port_link *link); + int (*get_port_stats)(struct switch_dev *dev, int port, + struct switch_port_stats *stats); +}; + +struct switch_dev { + const struct switch_dev_ops *ops; + /* will be automatically filled */ + char devname[IFNAMSIZ]; + + const char *name; + /* NB: either alias or netdev must be set */ + const char *alias; + struct net_device *netdev; + + int ports; + int vlans; + int cpu_port; + + /* the following fields are internal for swconfig */ + int id; + struct list_head dev_list; + unsigned long def_global, def_port, def_vlan; + + struct mutex sw_mutex; + struct switch_port *portbuf; + + char buf[128]; + +#ifdef CONFIG_SWCONFIG_LEDS + struct switch_led_trigger *led_trigger; +#endif +}; + +struct switch_port { + u32 id; + u32 flags; +}; + +struct switch_val { + const struct switch_attr *attr; + int port_vlan; + int len; + union { + const char *s; + u32 i; + struct switch_port *ports; + } value; +}; + +struct switch_attr { + int disabled; + int type; + const char *name; + const char *description; + + int (*set)(struct switch_dev *dev, const struct switch_attr *attr, struct switch_val *val); + int (*get)(struct switch_dev *dev, const struct switch_attr *attr, struct switch_val *val); + + /* for driver internal use */ + int id; + int ofs; + int max; +}; + +#endif + +#endif |