touch-packages team mailing list archive

[Tony Espy <1337764@xxxxxxxxxxxxxxxxxx>]

Note, to see the wireless capabilities of a particular device/driver,
use the command 'iw list'.


** Changed in: network-manager (Ubuntu)
       Status: Incomplete => Triaged

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https://bugs.launchpad.net/bugs/1337764

Title:
  need a way to blacklist device capabilities

Status in “network-manager” package in Ubuntu:
  Triaged

Bug description:
  When working on adhoc network creation feature we noticed that even
  though the N4 (mako) wifi driver claims it supports adhoc in reality
  there is a bug that prevents the creation of such network.

  NM associates a set of capabilities to each wifi device it exposes. NM
  reports these capabilities based on the features the kernel drivers
  claim to support. The situation with mako represent a real world
  scenario where the kernel driver is not actually supporting everything
  it claims to support and now the problem is how can we blacklist
  features we detect not being functional.

  Ideally we would fix the driver, but this is not always possible if
  the drivers are coming from a 3rd party vendor or if they are
  proprietary. Therefore we must have means to do such blacklisting and
  IMO the correct place to do this would be straight on NetworkManager.

  This could be resolved by having a blacklist file under
  /etc/NetworkManager/ which would contain something like:

  [wlan0]
  NM_802_11_DEVICE_CAP_ADHOC=no

  Keys in this file would override any information NM is gathering from
  the device.

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