diff options
Diffstat (limited to 'src/udev')
-rw-r--r-- | src/udev/udev-builtin-net_id.c | 21 |
1 files changed, 13 insertions, 8 deletions
diff --git a/src/udev/udev-builtin-net_id.c b/src/udev/udev-builtin-net_id.c index ebada80e1b..97dba3a52a 100644 --- a/src/udev/udev-builtin-net_id.c +++ b/src/udev/udev-builtin-net_id.c @@ -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 |