cfg80211: support configuring vif mac addr on create

This is useful when creating virtual interfaces.
Keeps udev from mucking with things it shouldn't, since
the default MAC is never seen by udev when specified on
the cmd-line during creation.

Signed-off-by: Ben Greear <greearb@candelatech.com>
[check for feature flag in nl80211 to force drivers to set it]
Signed-off-by: Johannes Berg <johannes.berg@intel.com>

1 files changed, 4 insertions, 0 deletions

diff --git a/include/uapi/linux/nl80211.h b/include/uapi/linux/nl80211.h
index be1d5def304d..f7daae59248e 100644
--- a/include/uapi/linux/nl80211.h
+++ b/include/uapi/linux/nl80211.h
@@ -4056,6 +4056,9 @@ enum nl80211_ap_sme_features {
  *      TSPEC sessions (TID aka TSID 0-7) with the %NL80211_CMD_ADD_TX_TS
  *      command. Standard IEEE 802.11 TSPEC setup is not yet supported, it
  *      needs to be able to handle Block-Ack agreements and other things.
+ * @NL80211_FEATURE_MAC_ON_CREATE: Device supports configuring
+ *      the vif's MAC address upon creation.
+ *      See 'macaddr' field in the vif_params (cfg80211.h).
  */
 enum nl80211_feature_flags {
         NL80211_FEATURE_SK_TX_STATUS                    = 1 << 0,
@@ -4085,6 +4088,7 @@ enum nl80211_feature_flags {
         NL80211_FEATURE_STATIC_SMPS                     = 1 << 24,
         NL80211_FEATURE_DYNAMIC_SMPS                    = 1 << 25,
         NL80211_FEATURE_SUPPORTS_WMM_ADMISSION          = 1 << 26,
+        NL80211_FEATURE_MAC_ON_CREATE                   = 1 << 27,
 };
 
 /**