On Fri, 2018-11-16 at 17:13 +0530, Veerendranath Jakkam wrote: > There was no such capability advertisement from the driver and thus the > current user space has to assume the driver to support all the AKMs. While > that may be the case with some drivers (e.g., mac80211-based ones), there > are cfg80211-based drivers that have constraints on which AKMs can be used. > Allow such drivers to advertise the exact set of supported AKMs so that > user space tools can determine what network profile options should be > allowed to be configured. I think you need to explain here (and probably also in the docs) where this actually matters. Clearly with drivers that do it all in userspace it doesn't matter - so I guess it's intended for the offload cases? Also, it'd be good to know which driver needs/implements this. Finally, > + if (rdev->wiphy.akm_suites) > + if (nla_put(msg, NL80211_ATTR_AKM_SUITES, > + sizeof(u32) * rdev->wiphy.n_akm_suites, > + rdev->wiphy.akm_suites)) > + goto nla_put_failure; That's probably better written as a single if statement. johannes