The sysfs field was introduced 4 years ago along with fixes to various
drivers that erroneously used `dev_id' for that purpose, but it was not
properly documented anywhere.
See commit v3.14-rc3-739-g3f85944fe207.
Signed-off-by: Arseny Maslennikov <a...@cs.msu.ru>
---
Documentation/ABI/testing/sysfs-class-net | 10 ++++++++++
1 file changed, 10 insertions(+)
diff --git a/Documentation/ABI/testing/sysfs-class-net
b/Documentation/ABI/testing/sysfs-class-net
index 2f1788111cd9..1593d8997ade 100644
--- a/Documentation/ABI/testing/sysfs-class-net
+++ b/Documentation/ABI/testing/sysfs-class-net
@@ -91,6 +91,16 @@ Description:
stacked (e.g: VLAN interfaces) but still have the same MAC
address as their parent device.
+What: /sys/class/net/<iface>/dev_port
+Date: February 2014
+KernelVersion: 3.15
+Contact: netdev@vger.kernel.org
+Description:
+ Indicates the port number of this network device, formatted
+ as a decimal value. Some NICs have multiple independent ports
+ on the same PCI bus, device and function. This field allows
+ userspace to distinguish the respective interfaces.
+
What: /sys/class/net/<iface>/dormant
Date: March 2006
KernelVersion: 2.6.17
--
2.18.0
