ath: move ath_bcast_mac to common header

This is used by both ath5k and ath9k to set the first bssid mask.
Signed-off-by: Luis R. Rodriguez <lrodriguez@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

drivers/net/wireless/ath/ath.h

@@ -19,6 +19,8 @@
 
 #include <linux/skbuff.h>
 
+static const u8 ath_bcast_mac[ETH_ALEN] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
+
 struct reg_dmn_pair_mapping {
 	u16 regDmnEnum;
 	u16 reg_5ghz_ctl;

drivers/net/wireless/ath/ath5k/attach.c

@@ -336,7 +336,7 @@ struct ath5k_hw *ath5k_hw_attach(struct ath5k_softc *sc)
 	ath5k_hw_set_lladdr(ah, (u8[ETH_ALEN]){});
 
 	/* Set BSSID to bcast address: ff:ff:ff:ff:ff:ff for now */
-	memset(ah->ah_bssid, 0xff, ETH_ALEN);
+	memcpy(ah->ah_bssid, ath_bcast_mac, ETH_ALEN);
 	ath5k_hw_set_associd(ah, ah->ah_bssid, 0);
 	ath5k_hw_set_opmode(ah);
 

drivers/net/wireless/ath/ath5k/base.c

@@ -815,7 +815,7 @@ ath5k_attach(struct pci_dev *pdev, struct ieee80211_hw *hw)
 
 	SET_IEEE80211_PERM_ADDR(hw, mac);
 	/* All MAC address bits matter for ACKs */
-	memset(sc->bssidmask, 0xff, ETH_ALEN);
+	memcpy(sc->bssidmask, ath_bcast_mac, ETH_ALEN);
 	ath5k_hw_set_bssid_mask(sc->ah, sc->bssidmask);
 
 	regulatory->current_rd = ah->ah_capabilities.cap_eeprom.ee_regdomain;

drivers/net/wireless/ath/ath5k/pcu.c

@@ -365,7 +365,7 @@ void ath5k_hw_set_associd(struct ath5k_hw *ah, const u8 *bssid, u16 assoc_id)
  * assuming only 4 bits for a mac address and for BSSIDs you can then have:
  *
  *                  \
- * MAC:                0001 |
+ * MAC:        0001 |
  * BSSID-01:   0100 | --> Belongs to us
  * BSSID-02:   1001 |
  *                  /

drivers/net/wireless/ath/ath9k/ath9k.h

@@ -60,8 +60,6 @@ struct ath_node;
 
 #define	ATH_TXQ_SETUP(sc, i)        ((sc)->tx.txqsetup & (1<<i))
 
-static const u8 ath_bcast_mac[ETH_ALEN] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
-
 struct ath_config {
 	u32 ath_aggr_prot;
 	u16 txpowlimit;