2 files changed, 11 insertions, 0 deletions

diff --git a/include/net/cfg80211.h b/include/net/cfg80211.h
index d9f08f65f7a5..d81e730962cc 100644
--- a/include/net/cfg80211.h
+++ b/include/net/cfg80211.h
@@ -281,9 +281,13 @@ struct ieee80211_supported_band {
 /**
  * struct vif_params - describes virtual interface parameters
  * @use_4addr: use 4-address frames
+ * @macaddr: address to use for this virtual interface. This will only
+ *      be used for non-netdevice interfaces. If this parameter is set
+ *      to zero address the driver may determine the address as needed.
  */
 struct vif_params {
        int use_4addr;
+       u8 macaddr[ETH_ALEN];
 };
 
 /**
diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c
index 1a7a710fe9bf..d543cf152100 100644
--- a/net/wireless/nl80211.c
+++ b/net/wireless/nl80211.c
@@ -2079,6 +2079,13 @@ static int nl80211_new_interface(struct sk_buff *skb, struct genl_info *info)
             !(rdev->wiphy.interface_modes & (1 << type)))
                 return -EOPNOTSUPP;
 
+        if (type == NL80211_IFTYPE_P2P_DEVICE && info->attrs[NL80211_ATTR_MAC]) {
+                nla_memcpy(params.macaddr, info->attrs[NL80211_ATTR_MAC],
+                           ETH_ALEN);
+                if (!is_valid_ether_addr(params.macaddr))
+                        return -EADDRNOTAVAIL;
+        }
+
         if (info->attrs[NL80211_ATTR_4ADDR]) {
                 params.use_4addr = !!nla_get_u8(info->attrs[NL80211_ATTR_4ADDR]);
                 err = nl80211_valid_4addr(rdev, NULL, params.use_4addr, type);