ath9k: add possible wiphy interface combinations

Signed-off-by: Felix Fietkau <nbd@openwrt.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

drivers/net/wireless/ath/ath9k/init.c

@@ -646,6 +646,24 @@ void ath9k_reload_chainmask_settings(struct ath_softc *sc)
 		setup_ht_cap(sc, &sc->sbands[IEEE80211_BAND_5GHZ].ht_cap);
 }
 
+static const struct ieee80211_iface_limit if_limits[] = {
+	{ .max = 2048,	.types = BIT(NL80211_IFTYPE_STATION) |
+				 BIT(NL80211_IFTYPE_P2P_CLIENT) |
+				 BIT(NL80211_IFTYPE_WDS) },
+	{ .max = 8,	.types =
+#ifdef CONFIG_MAC80211_MESH
+				 BIT(NL80211_IFTYPE_MESH_POINT) |
+#endif
+				 BIT(NL80211_IFTYPE_AP) |
+				 BIT(NL80211_IFTYPE_P2P_GO) },
+};
+
+static const struct ieee80211_iface_combination if_comb = {
+	.limits = if_limits,
+	.n_limits = ARRAY_SIZE(if_limits),
+	.max_interfaces = 2048,
+	.num_different_channels = 1,
+};
 
 void ath9k_set_hw_capab(struct ath_softc *sc, struct ieee80211_hw *hw)
 {
@@ -675,6 +693,9 @@ void ath9k_set_hw_capab(struct ath_softc *sc, struct ieee80211_hw *hw)
 		BIT(NL80211_IFTYPE_ADHOC) |
 		BIT(NL80211_IFTYPE_MESH_POINT);
 
+	hw->wiphy->iface_combinations = &if_comb;
+	hw->wiphy->n_iface_combinations = 1;
+
 	if (AR_SREV_5416(sc->sc_ah))
 		hw->wiphy->flags &= ~WIPHY_FLAG_PS_ON_BY_DEFAULT;