Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next

[cascardo/linux.git] / drivers / net / wireless / rt2x00 / rt2x00dev.c

diff --git a/drivers/net/wireless/rt2x00/rt2x00dev.c b/drivers/net/wireless/rt2x00/rt2x00dev.c
index c8b9ef0..b16521e 100644 (file)
--- a/drivers/net/wireless/rt2x00/rt2x00dev.c
+++ b/drivers/net/wireless/rt2x00/rt2x00dev.c
@@ -334,7 +334,7 @@ void rt2x00lib_txdone(struct queue_entry *entry,
        /*
         * Remove the extra tx headroom from the skb.
         */
-       skb_pull(entry->skb, rt2x00dev->ops->extra_tx_headroom);
+       skb_pull(entry->skb, rt2x00dev->extra_tx_headroom);
 
        /*
         * Signal that the TX descriptor is no longer in the skb.
@@ -1049,7 +1049,7 @@ static int rt2x00lib_probe_hw(struct rt2x00_dev *rt2x00dev)
         */
        rt2x00dev->hw->extra_tx_headroom =
                max_t(unsigned int, IEEE80211_TX_STATUS_HEADROOM,
-                     rt2x00dev->ops->extra_tx_headroom);
+                     rt2x00dev->extra_tx_headroom);
 
        /*
         * Take TX headroom required for alignment into account.
@@ -1077,7 +1077,7 @@ static int rt2x00lib_probe_hw(struct rt2x00_dev *rt2x00dev)
                 */
                int kfifo_size =
                        roundup_pow_of_two(rt2x00dev->ops->tx_queues *
-                                          rt2x00dev->ops->tx->entry_num *
+                                          rt2x00dev->tx->limit *
                                           sizeof(u32));
 
                status = kfifo_alloc(&rt2x00dev->txstatus_fifo, kfifo_size,
@@ -1256,6 +1256,17 @@ static inline void rt2x00lib_set_if_combinations(struct rt2x00_dev *rt2x00dev)
        rt2x00dev->hw->wiphy->n_iface_combinations = 1;
 }
 
+static unsigned int rt2x00dev_extra_tx_headroom(struct rt2x00_dev *rt2x00dev)
+{
+       if (WARN_ON(!rt2x00dev->tx))
+               return 0;
+
+       if (rt2x00_is_usb(rt2x00dev))
+               return rt2x00dev->tx[0].winfo_size + rt2x00dev->tx[0].desc_size;
+
+       return rt2x00dev->tx[0].winfo_size;
+}
+
 /*
  * driver allocation handlers.
  */
@@ -1300,23 +1311,6 @@ int rt2x00lib_probe_dev(struct rt2x00_dev *rt2x00dev)
        rt2x00dev->hw->wiphy->addr_mask[ETH_ALEN - 1] =
                (rt2x00dev->ops->max_ap_intf - 1);
 
-       /*
-        * Determine which operating modes are supported, all modes
-        * which require beaconing, depend on the availability of
-        * beacon entries.
-        */
-       rt2x00dev->hw->wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION);
-       if (rt2x00dev->ops->bcn->entry_num > 0)
-               rt2x00dev->hw->wiphy->interface_modes |=
-                   BIT(NL80211_IFTYPE_ADHOC) |
-                   BIT(NL80211_IFTYPE_AP) |
-#ifdef CONFIG_MAC80211_MESH
-                   BIT(NL80211_IFTYPE_MESH_POINT) |
-#endif
-                   BIT(NL80211_IFTYPE_WDS);
-
-       rt2x00dev->hw->wiphy->flags |= WIPHY_FLAG_IBSS_RSN;
-
        /*
         * Initialize work.
         */
@@ -1347,6 +1341,26 @@ int rt2x00lib_probe_dev(struct rt2x00_dev *rt2x00dev)
        if (retval)
                goto exit;
 
+       /* Cache TX headroom value */
+       rt2x00dev->extra_tx_headroom = rt2x00dev_extra_tx_headroom(rt2x00dev);
+
+       /*
+        * Determine which operating modes are supported, all modes
+        * which require beaconing, depend on the availability of
+        * beacon entries.
+        */
+       rt2x00dev->hw->wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION);
+       if (rt2x00dev->bcn->limit > 0)
+               rt2x00dev->hw->wiphy->interface_modes |=
+                   BIT(NL80211_IFTYPE_ADHOC) |
+                   BIT(NL80211_IFTYPE_AP) |
+#ifdef CONFIG_MAC80211_MESH
+                   BIT(NL80211_IFTYPE_MESH_POINT) |
+#endif
+                   BIT(NL80211_IFTYPE_WDS);
+
+       rt2x00dev->hw->wiphy->flags |= WIPHY_FLAG_IBSS_RSN;
+
        /*
         * Initialize ieee80211 structure.
         */