tree e9d454ef6461e70cf99de76f9dda52952b665e44
parent 71fe96bf9db8b117d28de6f9ced606cae2ad9661
author Johannes Berg <johannes.berg@intel.com> 1351066638 +0200
committer Johannes Berg <johannes.berg@intel.com> 1351584694 +0100

cfg80211: allow per interface TX power setting

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: Johannes Berg <johannes.berg@intel.com>