262 lines
8.2 KiB
Plaintext
262 lines
8.2 KiB
Plaintext
|
What: /sys/class/net/<iface>/name_assign_type
|
||
|
|
Date: July 2014
|
||
|
|
KernelVersion: 3.17
|
||
|
|
Contact: netdev@vger.kernel.org
|
||
|
|
Description:
|
||
|
|
Indicates the name assignment type. Possible values are:
|
||
|
|
1: enumerated by the kernel, possibly in an unpredictable way
|
||
|
|
2: predictably named by the kernel
|
||
|
|
3: named by userspace
|
||
|
|
4: renamed
|
||
|
|
|
||
|
|
What: /sys/class/net/<iface>/addr_assign_type
|
||
|
|
Date: July 2010
|
||
|
|
KernelVersion: 3.2
|
||
|
|
Contact: netdev@vger.kernel.org
|
||
|
|
Description:
|
||
|
|
Indicates the address assignment type. Possible values are:
|
||
|
|
0: permanent address
|
||
|
|
1: randomly generated
|
||
|
|
2: stolen from another device
|
||
|
|
3: set using dev_set_mac_address
|
||
|
|
|
||
|
|
What: /sys/class/net/<iface>/addr_len
|
||
|
|
Date: April 2005
|
||
|
|
KernelVersion: 2.6.12
|
||
|
|
Contact: netdev@vger.kernel.org
|
||
|
|
Description:
|
||
|
|
Indicates the hardware address size in bytes.
|
||
|
|
Values vary based on the lower-level protocol used by the
|
||
|
|
interface (Ethernet, FDDI, ATM, IEEE 802.15.4...). See
|
||
|
|
include/uapi/linux/if_*.h for actual values.
|
||
|
|
|
||
|
|
What: /sys/class/net/<iface>/address
|
||
|
|
Date: April 2005
|
||
|
|
KernelVersion: 2.6.12
|
||
|
|
Contact: netdev@vger.kernel.org
|
||
|
|
Description:
|
||
|
|
Hardware address currently assigned to this interface.
|
||
|
|
Format is a string, e.g: 00:11:22:33:44:55 for an Ethernet MAC
|
||
|
|
address.
|
||
|
|
|
||
|
|
What: /sys/class/net/<bridge iface>/bridge/group_fwd_mask
|
||
|
|
Date: January 2012
|
||
|
|
KernelVersion: 3.2
|
||
|
|
Contact: netdev@vger.kernel.org
|
||
|
|
Description:
|
||
|
|
Bitmask to allow forwarding of link local frames with address
|
||
|
|
01-80-C2-00-00-0X on a bridge device. Only values that set bits
|
||
|
|
not matching BR_GROUPFWD_RESTRICTED in net/bridge/br_private.h
|
||
|
|
allowed.
|
||
|
|
Default value 0 does not forward any link local frames.
|
||
|
|
|
||
|
|
Restricted bits:
|
||
|
|
0: 01-80-C2-00-00-00 Bridge Group Address used for STP
|
||
|
|
1: 01-80-C2-00-00-01 (MAC Control) 802.3 used for MAC PAUSE
|
||
|
|
2: 01-80-C2-00-00-02 (Link Aggregation) 802.3ad
|
||
|
|
|
||
|
|
Any values not setting these bits can be used. Take special
|
||
|
|
care when forwarding control frames e.g. 802.1X-PAE or LLDP.
|
||
|
|
|
||
|
|
What: /sys/class/net/<iface>/broadcast
|
||
|
|
Date: April 2005
|
||
|
|
KernelVersion: 2.6.12
|
||
|
|
Contact: netdev@vger.kernel.org
|
||
|
|
Description:
|
||
|
|
Hardware broadcast address for this interface. Format is a
|
||
|
|
string, e.g: ff:ff:ff:ff:ff:ff for an Ethernet broadcast MAC
|
||
|
|
address.
|
||
|
|
|
||
|
|
What: /sys/class/net/<iface>/carrier
|
||
|
|
Date: April 2005
|
||
|
|
KernelVersion: 2.6.12
|
||
|
|
Contact: netdev@vger.kernel.org
|
||
|
|
Description:
|
||
|
|
Indicates the current physical link state of the interface.
|
||
|
|
Posssible values are:
|
||
|
|
0: physical link is down
|
||
|
|
1: physical link is up
|
||
|
|
|
||
|
|
Note: some special devices, e.g: bonding and team drivers will
|
||
|
|
allow this attribute to be written to force a link state for
|
||
|
|
operating correctly and designating another fallback interface.
|
||
|
|
|
||
|
|
What: /sys/class/net/<iface>/dev_id
|
||
|
|
Date: April 2008
|
||
|
|
KernelVersion: 2.6.26
|
||
|
|
Contact: netdev@vger.kernel.org
|
||
|
|
Description:
|
||
|
|
Indicates the device unique identifier. Format is an hexadecimal
|
||
|
|
value. This is used to disambiguate interfaces which might be
|
||
|
|
stacked (e.g: VLAN interfaces) but still have the same MAC
|
||
|
|
address as their parent device.
|
||
|
|
|
||
|
|
What: /sys/class/net/<iface>/dormant
|
||
|
|
Date: March 2006
|
||
|
|
KernelVersion: 2.6.17
|
||
|
|
Contact: netdev@vger.kernel.org
|
||
|
|
Description:
|
||
|
|
Indicates whether the interface is in dormant state. Possible
|
||
|
|
values are:
|
||
|
|
0: interface is not dormant
|
||
|
|
1: interface is dormant
|
||
|
|
|
||
|
|
This attribute can be used by supplicant software to signal that
|
||
|
|
the device is not usable unless some supplicant-based
|
||
|
|
authentication is performed (e.g: 802.1x). 'link_mode' attribute
|
||
|
|
will also reflect the dormant state.
|
||
|
|
|
||
|
|
What: /sys/clas/net/<iface>/duplex
|
||
|
|
Date: October 2009
|
||
|
|
KernelVersion: 2.6.33
|
||
|
|
Contact: netdev@vger.kernel.org
|
||
|
|
Description:
|
||
|
|
Indicates the interface latest or current duplex value. Possible
|
||
|
|
values are:
|
||
|
|
half: half duplex
|
||
|
|
full: full duplex
|
||
|
|
|
||
|
|
Note: This attribute is only valid for interfaces that implement
|
||
|
|
the ethtool get_settings method (mostly Ethernet).
|
||
|
|
|
||
|
|
What: /sys/class/net/<iface>/flags
|
||
|
|
Date: April 2005
|
||
|
|
KernelVersion: 2.6.12
|
||
|
|
Contact: netdev@vger.kernel.org
|
||
|
|
Description:
|
||
|
|
Indicates the interface flags as a bitmask in hexadecimal. See
|
||
|
|
include/uapi/linux/if.h for a list of all possible values and
|
||
|
|
the flags semantics.
|
||
|
|
|
||
|
|
What: /sys/class/net/<iface>/ifalias
|
||
|
|
Date: September 2008
|
||
|
|
KernelVersion: 2.6.28
|
||
|
|
Contact: netdev@vger.kernel.org
|
||
|
|
Description:
|
||
|
|
Indicates/stores an interface alias name as a string. This can
|
||
|
|
be used for system management purposes.
|
||
|
|
|
||
|
|
What: /sys/class/net/<iface>/ifindex
|
||
|
|
Date: April 2005
|
||
|
|
KernelVersion: 2.6.12
|
||
|
|
Contact: netdev@vger.kernel.org
|
||
|
|
Description:
|
||
|
|
Indicates the system-wide interface unique index identifier as a
|
||
|
|
decimal number. This attribute is used for mapping an interface
|
||
|
|
identifier to an interface name. It is used throughout the
|
||
|
|
networking stack for specifying the interface specific
|
||
|
|
requests/events.
|
||
|
|
|
||
|
|
What: /sys/class/net/<iface>/iflink
|
||
|
|
Date: April 2005
|
||
|
|
KernelVersion: 2.6.12
|
||
|
|
Contact: netdev@vger.kernel.org
|
||
|
|
Description:
|
||
|
|
Indicates the system-wide interface unique index identifier a
|
||
|
|
the interface is linked to. Format is decimal. This attribute is
|
||
|
|
used to resolve interfaces chaining, linking and stacking.
|
||
|
|
Physical interfaces have the same 'ifindex' and 'iflink' values.
|
||
|
|
|
||
|
|
What: /sys/class/net/<iface>/link_mode
|
||
|
|
Date: March 2006
|
||
|
|
KernelVersion: 2.6.17
|
||
|
|
Contact: netdev@vger.kernel.org
|
||
|
|
Description:
|
||
|
|
Indicates the interface link mode, as a decimal number. This
|
||
|
|
attribute should be used in conjunction with 'dormant' attribute
|
||
|
|
to determine the interface usability. Possible values:
|
||
|
|
0: default link mode
|
||
|
|
1: dormant link mode
|
||
|
|
|
||
|
|
What: /sys/class/net/<iface>/mtu
|
||
|
|
Date: April 2005
|
||
|
|
KernelVersion: 2.6.12
|
||
|
|
Contact: netdev@vger.kernel.org
|
||
|
|
Description:
|
||
|
|
Indicates the interface currently configured MTU value, in
|
||
|
|
bytes, and in decimal format. Specific values depends on the
|
||
|
|
lower-level interface protocol used. Ethernet devices will show
|
||
|
|
a 'mtu' attribute value of 1500 unless changed.
|
||
|
|
|
||
|
|
What: /sys/class/net/<iface>/netdev_group
|
||
|
|
Date: January 2011
|
||
|
|
KernelVersion: 2.6.39
|
||
|
|
Contact: netdev@vger.kernel.org
|
||
|
|
Description:
|
||
|
|
Indicates the interface network device group, as a decimal
|
||
|
|
integer. Default value is 0 which corresponds to the initial
|
||
|
|
network devices group. The group can be changed to affect
|
||
|
|
routing decisions (see: net/ipv4/fib_rules and
|
||
|
|
net/ipv6/fib6_rules.c).
|
||
|
|
|
||
|
|
What: /sys/class/net/<iface>/operstate
|
||
|
|
Date: March 2006
|
||
|
|
KernelVersion: 2.6.17
|
||
|
|
Contact: netdev@vger.kernel.org
|
||
|
|
Description:
|
||
|
|
Indicates the interface RFC2863 operational state as a string.
|
||
|
|
Possible values are:
|
||
|
|
"unknown", "notpresent", "down", "lowerlayerdown", "testing",
|
||
|
|
"dormant", "up".
|
||
|
|
|
||
|
|
What: /sys/class/net/<iface>/phys_port_id
|
||
|
|
Date: July 2013
|
||
|
|
KernelVersion: 3.12
|
||
|
|
Contact: netdev@vger.kernel.org
|
||
|
|
Description:
|
||
|
|
Indicates the interface unique physical port identifier within
|
||
|
|
the NIC, as a string.
|
||
|
|
|
||
|
|
What: /sys/class/net/<iface>/phys_port_name
|
||
|
|
Date: March 2015
|
||
|
|
KernelVersion: 4.0
|
||
|
|
Contact: netdev@vger.kernel.org
|
||
|
|
Description:
|
||
|
|
Indicates the interface physical port name within the NIC,
|
||
|
|
as a string.
|
||
|
|
|
||
|
|
What: /sys/class/net/<iface>/speed
|
||
|
|
Date: October 2009
|
||
|
|
KernelVersion: 2.6.33
|
||
|
|
Contact: netdev@vger.kernel.org
|
||
|
|
Description:
|
||
|
|
Indicates the interface latest or current speed value. Value is
|
||
|
|
an integer representing the link speed in Mbits/sec.
|
||
|
|
|
||
|
|
Note: this attribute is only valid for interfaces that implement
|
||
|
|
the ethtool get_settings method (mostly Ethernet ).
|
||
|
|
|
||
|
|
What: /sys/class/net/<iface>/tx_queue_len
|
||
|
|
Date: April 2005
|
||
|
|
KernelVersion: 2.6.12
|
||
|
|
Contact: netdev@vger.kernel.org
|
||
|
|
Description:
|
||
|
|
Indicates the interface transmit queue len in number of packets,
|
||
|
|
as an integer value. Value depend on the type of interface,
|
||
|
|
Ethernet network adapters have a default value of 1000 unless
|
||
|
|
configured otherwise
|
||
|
|
|
||
|
|
What: /sys/class/net/<iface>/type
|
||
|
|
Date: April 2005
|
||
|
|
KernelVersion: 2.6.12
|
||
|
|
Contact: netdev@vger.kernel.org
|
||
|
|
Description:
|
||
|
|
Indicates the interface protocol type as a decimal value. See
|
||
|
|
include/uapi/linux/if_arp.h for all possible values.
|
||
|
|
|
||
|
|
What: /sys/class/net/<iface>/phys_switch_id
|
||
|
|
Date: November 2014
|
||
|
|
KernelVersion: 3.19
|
||
|
|
Contact: netdev@vger.kernel.org
|
||
|
|
Description:
|
||
|
|
Indicates the unique physical switch identifier of a switch this
|
||
|
|
port belongs to, as a string.
|
||
|
|
|
||
|
|
What: /sys/class/net/<iface>/phydev
|
||
|
|
Date: May 2017
|
||
|
|
KernelVersion: 4.13
|
||
|
|
Contact: netdev@vger.kernel.org
|
||
|
|
Description:
|
||
|
|
Symbolic link to the PHY device this network device is attached
|
||
|
|
to.
|