Commit | Line | Data |
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39f1a2f0 FF |
1 | What: /sys/class/net/<iface>/addr_assign_type |
2 | Date: July 2010 | |
3 | KernelVersion: 3.2 | |
4 | Contact: netdev@vger.kernel.org | |
5 | Description: | |
6 | Indicates the address assignment type. Possible values are: | |
7 | 0: permanent address | |
8 | 1: randomly generated | |
9 | 2: stolen from another device | |
10 | 3: set using dev_set_mac_address | |
11 | ||
12 | What: /sys/class/net/<iface>/addr_len | |
13 | Date: April 2005 | |
14 | KernelVersion: 2.6.12 | |
15 | Contact: netdev@vger.kernel.org | |
16 | Description: | |
17 | Indicates the hardware address size in bytes. | |
18 | Values vary based on the lower-level protocol used by the | |
19 | interface (Ethernet, FDDI, ATM, IEEE 802.15.4...). See | |
20 | include/uapi/linux/if_*.h for actual values. | |
21 | ||
22 | What: /sys/class/net/<iface>/address | |
23 | Date: April 2005 | |
24 | KernelVersion: 2.6.12 | |
25 | Contact: netdev@vger.kernel.org | |
26 | Description: | |
27 | Hardware address currently assigned to this interface. | |
28 | Format is a string, e.g: 00:11:22:33:44:55 for an Ethernet MAC | |
29 | address. | |
30 | ||
31 | What: /sys/class/net/<iface>/broadcast | |
32 | Date: April 2005 | |
33 | KernelVersion: 2.6.12 | |
34 | Contact: netdev@vger.kernel.org | |
35 | Description: | |
36 | Hardware broadcast address for this interface. Format is a | |
37 | string, e.g: ff:ff:ff:ff:ff:ff for an Ethernet broadcast MAC | |
38 | address. | |
39 | ||
40 | What: /sys/class/net/<iface>/carrier | |
41 | Date: April 2005 | |
42 | KernelVersion: 2.6.12 | |
43 | Contact: netdev@vger.kernel.org | |
44 | Description: | |
45 | Indicates the current physical link state of the interface. | |
46 | Posssible values are: | |
47 | 0: physical link is down | |
48 | 1: physical link is up | |
49 | ||
50 | Note: some special devices, e.g: bonding and team drivers will | |
51 | allow this attribute to be written to force a link state for | |
52 | operating correctly and designating another fallback interface. | |
53 | ||
54 | What: /sys/class/net/<iface>/dev_id | |
55 | Date: April 2008 | |
56 | KernelVersion: 2.6.26 | |
57 | Contact: netdev@vger.kernel.org | |
58 | Description: | |
59 | Indicates the device unique identifier. Format is an hexadecimal | |
60 | value. This is used to disambiguate interfaces which might be | |
61 | stacked (e.g: VLAN interfaces) but still have the same MAC | |
62 | address as their parent device. | |
63 | ||
64 | What: /sys/class/net/<iface>/dormant | |
65 | Date: March 2006 | |
66 | KernelVersion: 2.6.17 | |
67 | Contact: netdev@vger.kernel.org | |
68 | Description: | |
69 | Indicates whether the interface is in dormant state. Possible | |
70 | values are: | |
71 | 0: interface is not dormant | |
72 | 1: interface is dormant | |
73 | ||
74 | This attribute can be used by supplicant software to signal that | |
75 | the device is not usable unless some supplicant-based | |
76 | authentication is performed (e.g: 802.1x). 'link_mode' attribute | |
77 | will also reflect the dormant state. | |
78 | ||
79 | What: /sys/clas/net/<iface>/duplex | |
80 | Date: October 2009 | |
81 | KernelVersion: 2.6.33 | |
82 | Contact: netdev@vger.kernel.org | |
83 | Description: | |
84 | Indicates the interface latest or current duplex value. Possible | |
85 | values are: | |
86 | half: half duplex | |
87 | full: full duplex | |
88 | ||
89 | Note: This attribute is only valid for interfaces that implement | |
90 | the ethtool get_settings method (mostly Ethernet). | |
91 | ||
92 | What: /sys/class/net/<iface>/flags | |
93 | Date: April 2005 | |
94 | KernelVersion: 2.6.12 | |
95 | Contact: netdev@vger.kernel.org | |
96 | Description: | |
97 | Indicates the interface flags as a bitmask in hexadecimal. See | |
98 | include/uapi/linux/if.h for a list of all possible values and | |
99 | the flags semantics. | |
100 | ||
101 | What: /sys/class/net/<iface>/ifalias | |
102 | Date: September 2008 | |
103 | KernelVersion: 2.6.28 | |
104 | Contact: netdev@vger.kernel.org | |
105 | Description: | |
106 | Indicates/stores an interface alias name as a string. This can | |
107 | be used for system management purposes. | |
108 | ||
109 | What: /sys/class/net/<iface>/ifindex | |
110 | Date: April 2005 | |
111 | KernelVersion: 2.6.12 | |
112 | Contact: netdev@vger.kernel.org | |
113 | Description: | |
114 | Indicates the system-wide interface unique index identifier as a | |
115 | decimal number. This attribute is used for mapping an interface | |
116 | identifier to an interface name. It is used throughout the | |
117 | networking stack for specifying the interface specific | |
118 | requests/events. | |
119 | ||
120 | What: /sys/class/net/<iface>/iflink | |
121 | Date: April 2005 | |
122 | KernelVersion: 2.6.12 | |
123 | Contact: netdev@vger.kernel.org | |
124 | Description: | |
125 | Indicates the system-wide interface unique index identifier a | |
126 | the interface is linked to. Format is decimal. This attribute is | |
127 | used to resolve interfaces chaining, linking and stacking. | |
128 | Physical interfaces have the same 'ifindex' and 'iflink' values. | |
129 | ||
130 | What: /sys/class/net/<iface>/link_mode | |
131 | Date: March 2006 | |
132 | KernelVersion: 2.6.17 | |
133 | Contact: netdev@vger.kernel.org | |
134 | Description: | |
135 | Indicates the interface link mode, as a decimal number. This | |
136 | attribute should be used in conjunction with 'dormant' attribute | |
137 | to determine the interface usability. Possible values: | |
138 | 0: default link mode | |
139 | 1: dormant link mode | |
140 | ||
141 | What: /sys/class/net/<iface>/mtu | |
142 | Date: April 2005 | |
143 | KernelVersion: 2.6.12 | |
144 | Contact: netdev@vger.kernel.org | |
145 | Description: | |
146 | Indicates the interface currently configured MTU value, in | |
147 | bytes, and in decimal format. Specific values depends on the | |
148 | lower-level interface protocol used. Ethernet devices will show | |
149 | a 'mtu' attribute value of 1500 unless changed. | |
150 | ||
151 | What: /sys/calss/net/<iface>/netdev_group | |
152 | Date: January 2011 | |
153 | KernelVersion: 2.6.39 | |
154 | Contact: netdev@vger.kernel.org | |
155 | Description: | |
156 | Indicates the interface network device group, as a decimal | |
157 | integer. Default value is 0 which corresponds to the initial | |
158 | network devices group. The group can be changed to affect | |
159 | routing decisions (see: net/ipv4/fib_rules and | |
160 | net/ipv6/fib6_rules.c). | |
161 | ||
162 | What: /sys/class/net/<iface>/operstate | |
163 | Date: March 2006 | |
164 | KernelVersion: 2.6.17 | |
165 | Contact: netdev@vger.kernel.org | |
166 | Description: | |
167 | Indicates the interface RFC2863 operational state as a string. | |
168 | Possible values are: | |
169 | "unknown", "notpresent", "down", "lowerlayerdown", "testing", | |
170 | "dormant", "up". | |
171 | ||
79499bca FF |
172 | What: /sys/class/net/<iface>/phys_port_id |
173 | Date: July 2013 | |
174 | KernelVersion: 3.12 | |
175 | Contact: netdev@vger.kernel.org | |
176 | Description: | |
177 | Indicates the interface unique physical port identifier within | |
178 | the NIC, as a string. | |
179 | ||
39f1a2f0 FF |
180 | What: /sys/class/net/<iface>/speed |
181 | Date: October 2009 | |
182 | KernelVersion: 2.6.33 | |
183 | Contact: netdev@vger.kernel.org | |
184 | Description: | |
185 | Indicates the interface latest or current speed value. Value is | |
186 | an integer representing the link speed in Mbits/sec. | |
187 | ||
188 | Note: this attribute is only valid for interfaces that implement | |
189 | the ethtool get_settings method (mostly Ethernet ). | |
190 | ||
191 | What: /sys/class/net/<iface>/tx_queue_len | |
192 | Date: April 2005 | |
193 | KernelVersion: 2.6.12 | |
194 | Contact: netdev@vger.kernel.org | |
195 | Description: | |
196 | Indicates the interface transmit queue len in number of packets, | |
197 | as an integer value. Value depend on the type of interface, | |
198 | Ethernet network adapters have a default value of 1000 unless | |
199 | configured otherwise | |
200 | ||
201 | What: /sys/class/net/<iface>/type | |
202 | Date: April 2005 | |
203 | KernelVersion: 2.6.12 | |
204 | Contact: netdev@vger.kernel.org | |
205 | Description: | |
206 | Indicates the interface protocol type as a decimal value. See | |
207 | include/uapi/linux/if_arp.h for all possible values. |