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c30a70fc9f
This generic structure defines tx_bytes and rx_bytes as unsigned long (u32), while several devices would typically report unsigned long long (u64). The code can work as is, but there's a chance that with a sufficiently fast interface the overflow might happen too fast to be correctly noticed by the consumers of this data. This patch makes both field unsigned long long and updates the only known consumer of this data: swconfig_leds.c Signed-off-by: Thibaut VARENE <hacks@slashdirt.org>
180 lines
4.4 KiB
C
180 lines
4.4 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@nbd.name>
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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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/* in ethtool adv_t format */
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u32 eee;
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};
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struct switch_port_stats {
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unsigned long long tx_bytes;
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unsigned long 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 (*set_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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int (*phy_read16)(struct switch_dev *dev, int addr, u8 reg, u16 *value);
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int (*phy_write16)(struct switch_dev *dev, int addr, u8 reg, u16 value);
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};
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struct switch_dev {
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struct device_node *of_node;
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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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unsigned int ports;
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unsigned int vlans;
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unsigned int cpu_port;
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/* the following fields are internal for swconfig */
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unsigned 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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struct switch_portmap *portmap;
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struct switch_port_link linkbuf;
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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_portmap {
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u32 virt;
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const char *s;
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};
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struct switch_val {
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const struct switch_attr *attr;
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unsigned int port_vlan;
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unsigned 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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struct switch_port_link *link;
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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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int switch_generic_set_link(struct switch_dev *dev, int port,
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struct switch_port_link *link);
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#endif /* _LINUX_SWITCH_H */
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