cfg80211/mac80211: add netdev param to set_txq_params()

tx params are currently configured per hw, although they
should be configured per interface.

Signed-off-by: Eliad Peller <[e-mail]>
Signed-off-by: John W. Linville <[e-mail]>

include/net/cfg80211.h

···
 	int	(*change_bss)(struct wiphy *wiphy, struct net_device *dev,
 			      struct bss_parameters *params);
 
-	int	(*set_txq_params)(struct wiphy *wiphy,
+	int	(*set_txq_params)(struct wiphy *wiphy, struct net_device *dev,
 				  struct ieee80211_txq_params *params);
 
 	int	(*set_channel)(struct wiphy *wiphy, struct net_device *dev,

net/mac80211/cfg.c

···
 }
 
 static int ieee80211_set_txq_params(struct wiphy *wiphy,
+				    struct net_device *dev,
 				    struct ieee80211_txq_params *params)
 {
 	struct ieee80211_local *local = wiphy_priv(wiphy);

net/wireless/nl80211.c

···
 			goto bad_res;
 		}
 
+		if (!netdev) {
+			result = -EINVAL;
+			goto bad_res;
+		}
+
 		nla_for_each_nested(nl_txq_params,
 				    info->attrs[NL80211_ATTR_WIPHY_TXQ_PARAMS],
 				    rem_txq_params) {
···
 				goto bad_res;
 
 			result = rdev->ops->set_txq_params(&rdev->wiphy,
+							   netdev,
 							   &txq_params);
 			if (result)
 				goto bad_res;