rt2x00: Move bssidx calculation into its own function

[mv-sheeva.git] / drivers / net / wireless / rt2x00 / rt2x00dev.c

diff --git a/drivers/net/wireless/rt2x00/rt2x00dev.c b/drivers/net/wireless/rt2x00/rt2x00dev.c
index 92ff6a72a2bb422771c85788cda715ed797068c2..634b084a6527a0e6c5d5f3697c0ae05aa85c1cd6 100644 (file)
--- a/drivers/net/wireless/rt2x00/rt2x00dev.c
+++ b/drivers/net/wireless/rt2x00/rt2x00dev.c
@@ -32,6 +32,22 @@
 #include "rt2x00.h"
 #include "rt2x00lib.h"
 
+/*
+ * Utility functions.
+ */
+u32 rt2x00lib_get_bssidx(struct rt2x00_dev *rt2x00dev,
+                        struct ieee80211_vif *vif)
+{
+       /*
+        * When in STA mode, bssidx is always 0 otherwise local_address[5]
+        * contains the bss number, see BSS_ID_MASK comments for details.
+        */
+       if (rt2x00dev->intf_sta_count)
+               return 0;
+       return vif->addr[5] & (rt2x00dev->ops->max_ap_intf - 1);
+}
+EXPORT_SYMBOL_GPL(rt2x00lib_get_bssidx);
+
 /*
  * Radio control handlers.
  */