ath9k_htc: Advertise interface combinations supported

This will allow us to create virtual interface the driver supports.
Also this ensures multivif support and limitation advertised
by the driver is taken care in cfg80211 itself.

Signed-off-by: Mohammed Shafi Shajakhan <mohammed@qca.qualcomm.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

diff --git a/drivers/net/wireless/ath/ath9k/htc_drv_init.c b/drivers/net/wireless/ath/ath9k/htc_drv_init.c
index d98255eb1b9aa4f1809df6d7c9b1b2d6eb2b141b..5ecf1287dddd8585bf0c67c6880502af173875ec 100644 (file)
--- a/drivers/net/wireless/ath/ath9k/htc_drv_init.c
+++ b/drivers/net/wireless/ath/ath9k/htc_drv_init.c
@@ -694,6 +694,20 @@ err_hw:
        return ret;
 }
 
+static const struct ieee80211_iface_limit if_limits[] = {
+       { .max = 2,     .types = BIT(NL80211_IFTYPE_STATION) |
+                                BIT(NL80211_IFTYPE_P2P_CLIENT) },
+       { .max = 2,     .types = 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 = 2,
+       .num_different_channels = 1,
+};
+
 static void ath9k_set_hw_capab(struct ath9k_htc_priv *priv,
                               struct ieee80211_hw *hw)
 {
@@ -716,6 +730,9 @@ static void ath9k_set_hw_capab(struct ath9k_htc_priv *priv,
                BIT(NL80211_IFTYPE_P2P_GO) |
                BIT(NL80211_IFTYPE_P2P_CLIENT);
 
+       hw->wiphy->iface_combinations = &if_comb;
+       hw->wiphy->n_iface_combinations = 1;
+
        hw->wiphy->flags &= ~WIPHY_FLAG_PS_ON_BY_DEFAULT;
 
        hw->wiphy->flags |= WIPHY_FLAG_IBSS_RSN |