ath9k_htc: Set the BSSID mask for multiple interfaces
Signed-off-by: Sujith Manoharan <Sujith.Manoharan@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/drivers/net/wireless/ath/ath9k/htc.h b/drivers/net/wireless/ath/ath9k/htc.h
index eecb42b..11d028f 100644
--- a/drivers/net/wireless/ath/ath9k/htc.h
+++ b/drivers/net/wireless/ath/ath9k/htc.h
@@ -210,6 +210,11 @@
u8 index;
};
+struct ath9k_vif_iter_data {
+ const u8 *hw_macaddr;
+ u8 mask[ETH_ALEN];
+};
+
#define ATH9K_HTC_MAX_STA 8
#define ATH9K_HTC_MAX_TID 8
diff --git a/drivers/net/wireless/ath/ath9k/htc_drv_main.c b/drivers/net/wireless/ath/ath9k/htc_drv_main.c
index 5ef0769..9620f45 100644
--- a/drivers/net/wireless/ath/ath9k/htc_drv_main.c
+++ b/drivers/net/wireless/ath/ath9k/htc_drv_main.c
@@ -133,6 +133,39 @@
}
}
+static void ath9k_htc_bssid_iter(void *data, u8 *mac, struct ieee80211_vif *vif)
+{
+ struct ath9k_vif_iter_data *iter_data = data;
+ int i;
+
+ for (i = 0; i < ETH_ALEN; i++)
+ iter_data->mask[i] &= ~(iter_data->hw_macaddr[i] ^ mac[i]);
+}
+
+static void ath9k_htc_set_bssid_mask(struct ath9k_htc_priv *priv,
+ struct ieee80211_vif *vif)
+{
+ struct ath_common *common = ath9k_hw_common(priv->ah);
+ struct ath9k_vif_iter_data iter_data;
+
+ /*
+ * Use the hardware MAC address as reference, the hardware uses it
+ * together with the BSSID mask when matching addresses.
+ */
+ iter_data.hw_macaddr = common->macaddr;
+ memset(&iter_data.mask, 0xff, ETH_ALEN);
+
+ if (vif)
+ ath9k_htc_bssid_iter(&iter_data, vif->addr, vif);
+
+ /* Get list of all active MAC addresses */
+ ieee80211_iterate_active_interfaces_atomic(priv->hw, ath9k_htc_bssid_iter,
+ &iter_data);
+
+ memcpy(common->bssidmask, iter_data.mask, ETH_ALEN);
+ ath_hw_setbssidmask(common);
+}
+
void ath9k_htc_reset(struct ath9k_htc_priv *priv)
{
struct ath_hw *ah = priv->ah;
@@ -1200,6 +1233,8 @@
goto out;
}
+ ath9k_htc_set_bssid_mask(priv, vif);
+
priv->ah->opmode = vif->type;
priv->vif_slot |= (1 << avp->index);
priv->nvifs++;
