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cfg80211: allow per interface TX power setting

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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>
This commit is contained in:
Johannes Berg
2012-10-24 10:17:18 +02:00
parent 71fe96bf9d
commit c8442118ad
11 changed files with 56 additions and 32 deletions
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2
include/uapi/linux/nl80211.h
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@@ -3051,6 +3051,7 @@ enum nl80211_ap_sme_features {
* @NL80211_FEATURE_LOW_PRIORITY_SCAN: This driver supports low priority scan
* @NL80211_FEATURE_SCAN_FLUSH: Scan flush is supported
* @NL80211_FEATURE_AP_SCAN: Support scanning using an AP vif
* @NL80211_FEATURE_VIF_TXPOWER: The driver supports per-vif TX power setting
*/
enum nl80211_feature_flags {
NL80211_FEATURE_SK_TX_STATUS = 1 << 0,
@@ -3062,6 +3063,7 @@ enum nl80211_feature_flags {
NL80211_FEATURE_LOW_PRIORITY_SCAN = 1 << 6,
NL80211_FEATURE_SCAN_FLUSH = 1 << 7,
NL80211_FEATURE_AP_SCAN = 1 << 8,
NL80211_FEATURE_VIF_TXPOWER = 1 << 9,
};
/**