picnoir
/
Systemd
1
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

udev: net_id - update examples

This commit is contained in:
Kay Sievers 2012-12-06 21:25:39 +01:00
parent f610d6de38
commit ad37f393fa
1 changed files with 13 additions and 8 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

21
src/udev/udev-builtin-net_id.c
View File

@ -18,39 +18,44 @@
***/
/*
* predictable network interface device names based on:
* Predictable network interface device names based on:
* - firmware/bios-provided index numbers for on-board devices
* - firmware-provided pci-express hotplug slot index number
* - physical/geographical location of the hardware
* - the interface's MAC address
*
* two character prefixes based on the type of interface:
* Two character prefixes based on the type of interface:
* en -- ethernet
* wl -- wlan
* ww -- wwan
*
* type of names:
* Type of names:
* o<index> -- on-board device index number
* s<slot>[f<function>] -- hotplug slot index number
* x<MAC> -- MAC address
* p<bus>s<slot>[f<function>] -- PCI geographical location
* p<bus>s<slot>[f<function>][u<port>][u<port>][c<config>][i<interface>]
* p<bus>s<slot>[f<function>][u<port>][...][c<config>][i<interface>]
* -- USB port number chain
*
* All multi-function devices will carry the [f<function>] number in the
* All multi-function PCI devices will carry the [f<function>] number in the
* device name, including the function 0 device.
*
* PCI card with firmware index
* For USB devices the fill chain of port numbers of hubs is composed. If the
* string would gt longer than the maximum of 15 characters, the name is not
* exported. The usual USB configuration == 1 and interface == 0 values are
* suppressed.
*
* PCI ethernet card with firmware index
* ID_NET_NAME_ONBOARD=eno1
* ID_NET_NAME_ONBOARD_LABEL=Ethernet Port 1
*
* PCI card
* PCI ethernet card
* /sys/devices/pci0000:00/0000:00:1c.3/0000:05:00.0/net/ens1
* ID_NET_NAME_MAC=enx000000000466
* ID_NET_NAME_PATH=enp5s0
* ID_NET_NAME_SLOT=ens1
*
* PCI card in hotplug slot with firmware index number:
* PCI ethernet card in hotplug slot with firmware index number:
* /sys/devices/pci0000:00/0000:00:1c.3/0000:05:00.0/net/ens1
* ID_NET_NAME_MAC=enx000000000466
* ID_NET_NAME_PATH=enp5s0