On 29 January 2015 at 22:14, Stefano Cappa <[email protected]> wrote:
> 1) It's possibile that "iw phy phy0 info" said that i can use a particular 
> combination of interfaces in "Valid interface combinations" but on my device 
> i can't use this combination? If yes, the problem is with the driver of this 
> device?

Could happen. @add_virtual_intf (see struct cfg80211_ops) can fail.


> 2) How iw obtains the information to print "Valid interface combinations"? iw 
> asks this information to the driver/hardware/or something else ?

See "struct wiphy" and its
const struct ieee80211_iface_combination *iface_combinations;

-- 
Rafał
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