The TX power setting is currently per wiphy (hardware
device) but with multi-channel capabilities that doesn't
make much sense any more.

Allow drivers (and mac80211) to advertise support for
per-interface TX power configuration. When the TX power
is configured for the wiphy, the wdev will be NULL and
the driver can still handle that, but when a wdev is
given the TX power can be set only for that wdev now.
Signed-off-by: NJohannes Berg <johannes.berg@intel.com>

These were missed due to the tracing work having
started on a kernel that didn't have P2P Device
yet, implement them now.
Signed-off-by: NJohannes Berg <johannes.berg@intel.com>

Add tracing to make debugging cfg80211/mac80211
(or full-mac driver) interaction easier.
Signed-off-by: NBeni Lev <beni.lev@intel.com>
Reviewed-by: NJohannes Berg <johannes.berg@intel.com>
Reviewed-by: NHila Gonen <hila.gonen@intel.com>
Tested-by: NHila Gonen <hila.gonen@intel.com>
Reviewed-by: NEmmanuel Grumbach <emmanuel.grumbach@intel.com>
[add a cast to int to sizeof() to avoid warning]
Signed-off-by: NJohannes Berg <johannes.berg@intel.com>

This will allow adding central tracing like in mac80211.
Signed-off-by: NHila Gonen <hila.gonen@intel.com>
Reviewed-by: NEmmanuel Grumbach <emmanuel.grumbach@intel.com>
Reviewed-by: NJohannes Berg <johannes.berg@intel.com>
Signed-off-by: NJohannes Berg <johannes.berg@intel.com>