On Mon, 2019-08-26 at 11:26 -0500, Denis Kenzior wrote: > > + * Prior to Kernel 5.4, userspace applications should implement the > + * following behavior: I'm not sure mentioning the kernel version here does us any good? I mean, you really need to implement that behaviour regardless of kernel version, if NL80211_EXT_FEATURE_LIVE_IFTYPE_CHANGE isn't set. > + * @NL80211_EXT_FEATURE_LIVE_IFTYPE_CHANGE: This device supports switching > + * the IFTYPE of an interface without having to bring the device DOWN > + * first via RTNL. Exact semantics of this feature is driver > + * implementation dependent. That's not really nice. > For mac80211, the following restrictions > + * apply: > + * - Only devices currently in IFTYPE AP, P2P_GO, P2P_CLIENT, > + * STATION, ADHOC and OCB can be switched. > + * - The target IFTYPE must be one of: AP, P2P_GO, P2P_CLIENT, > + * STATION, ADHOC or OCB. > + * Other drivers are expected to follow similar restrictions. Maybe we should instead have a "bitmask of interface types that can be switched while live" or something like that? johannes
