On Thu, 23 Feb 2017 16:39:52 -0700 David Ahern <d...@cumulusnetworks.com> wrote:
> On 2/23/17 12:50 PM, Stephen Hemminger wrote: > > Some use cases create Linux networking devices which are not intended for > > use > > by normal networking. This is an enhancement to ip command to hide network > > devices starting with period (like files in normal directory). Interfaces > > whose > > name start with "." are not shown by default, and the -a (or -all) flag must > > be used to show these devices. > > Agree that some devices need to be hidden by default -- not just from > users but also other processes. > > This solution is very narrow, only affecting iproute2 users. Any other > programs that use netlink or /proc files will continue to see those devices. I want solution that works broadly. And this works for sysfs already. > I started a patch a year ago that allows devices to marked as invisible > (attribute can be toggled at any time). Invisible devices do not show up > in netlink dumps, proc files or notifications. Netlink dumps can request > invisible devices to be included in a link dump. While it is more > intrusive, it is also more complete covering all of the paths in which > the device is shows up. > > Also, changing the default behavior for iproute2 could break existing > users that have such device names. I am less worried about this. The only people using . in name already are probably Brocade, and they have similar thing in CLI to hide these devices.
