Index: ar5xxx.h
===================================================================
--- ar5xxx.h	(revision 1975)
+++ ar5xxx.h	(revision 1979)
@@ -1953,6 +1953,7 @@
 	_t AR5K_BOOL (_a _n##_set_txpower_limit)(struct ath_hal *, u_int);			\
 	_t void (_a _n##_set_def_antenna)(struct ath_hal *, u_int);				\
 	_t u_int  (_a _n ##_get_def_antenna)(struct ath_hal *);					\
+	_t AR5K_BOOL (_a _n ##_set_bssid_mask)(struct ath_hal *, const u_int8_t*);		\
 	/*Totaly unimplemented*/								\
 	_t AR5K_BOOL (_a _n##_set_capability)(struct ath_hal *, AR5K_CAPABILITY_TYPE, u_int32_t,\
 				u_int32_t,AR5K_STATUS *) ;					\
Index: ar5210.c
===================================================================
--- ar5210.c	(revision 1975)
+++ ar5210.c	(revision 1979)
@@ -182,13 +182,12 @@
 	AR5K_HAL_FUNCTION(hal, ar5210, set_txpower_limit);
 	AR5K_HAL_FUNCTION(hal, ar5210, set_def_antenna);
 	AR5K_HAL_FUNCTION(hal, ar5210, get_def_antenna);
+	AR5K_HAL_FUNCTION(hal, ar5210, set_bssid_mask);
 	/*Totaly unimplemented*/
 	AR5K_HAL_FUNCTION(hal, ar5210, set_capability);
 	AR5K_HAL_FUNCTION(hal, ar5210, proc_mib_event);
 	AR5K_HAL_FUNCTION(hal, ar5210, get_tx_inter_queue);
 
-
-
 }
 
 struct ath_hal * /*Ported & removed an arg from call to set_associd*/
@@ -1627,6 +1626,14 @@
 	ar5k_ar5210_enable_pspoll(hal, NULL, 0);
 }
 
+AR5K_BOOL  /*New*/
+ar5k_ar5210_set_bssid_mask(struct ath_hal *hal, const u_int8_t* mask)
+{
+	/*Not supported in 5210*/
+	AR5K_TRACE; 
+	return (FALSE); 
+}
+
 AR5K_BOOL
 ar5k_ar5210_set_gpio_output(struct ath_hal *hal, u_int32_t gpio)
 {
Index: ar5211.c
===================================================================
--- ar5211.c	(revision 1975)
+++ ar5211.c	(revision 1979)
@@ -186,12 +186,12 @@
 	AR5K_HAL_FUNCTION(hal, ar5211, set_txpower_limit);
 	AR5K_HAL_FUNCTION(hal, ar5211, set_def_antenna);
 	AR5K_HAL_FUNCTION(hal, ar5211, get_def_antenna);
+	AR5K_HAL_FUNCTION(hal, ar5211, set_bssid_mask);
 	/*Totaly unimplemented*/
 	AR5K_HAL_FUNCTION(hal, ar5211, set_capability);
 	AR5K_HAL_FUNCTION(hal, ar5211, proc_mib_event);
 	AR5K_HAL_FUNCTION(hal, ar5211, get_tx_inter_queue);
 
-
 }
 
 struct ath_hal * /*Ported & removed an arg from call to set_associd*/
@@ -1734,6 +1734,14 @@
 	ar5k_ar5211_enable_pspoll(hal, NULL, 0);
 }
 
+AR5K_BOOL  /*New*/
+ar5k_ar5211_set_bssid_mask(struct ath_hal *hal, const u_int8_t* mask)
+{
+	/*Not supported in 5211*/
+	AR5K_TRACE; 
+	return (FALSE); 
+}
+
 AR5K_BOOL
 ar5k_ar5211_set_gpio_output(struct ath_hal *hal, u_int32_t gpio)
 {
Index: ar5212.c
===================================================================
--- ar5212.c	(revision 1975)
+++ ar5212.c	(revision 1979)
@@ -185,12 +185,12 @@
 	AR5K_HAL_FUNCTION(hal, ar5212, set_txpower_limit);
 	AR5K_HAL_FUNCTION(hal, ar5212, set_def_antenna);
 	AR5K_HAL_FUNCTION(hal, ar5212, get_def_antenna);
+	AR5K_HAL_FUNCTION(hal, ar5212, set_bssid_mask);
 	/*Totaly unimplemented*/
 	AR5K_HAL_FUNCTION(hal, ar5212, set_capability);
 	AR5K_HAL_FUNCTION(hal, ar5212, proc_mib_event);
 	AR5K_HAL_FUNCTION(hal, ar5212, get_tx_inter_queue);
 
-
 }
 
 struct ath_hal * /*Ported & removed an arg from call to set_associd*/
@@ -2103,6 +2103,24 @@
 	ar5k_ar5212_enable_pspoll(hal, NULL, 0);
 }
 
+AR5K_BOOL  /*New*/
+ar5k_ar5212_set_bssid_mask(struct ath_hal *hal, const u_int8_t* mask)
+{
+	u_int32_t low_id, high_id; 
+
+	AR5K_TRACE; 
+
+	bcopy(mask, &low_id, 4); 
+	bcopy(mask + 4, &high_id, 2); 
+
+	high_id = 0x0000ffff & high_id;
+
+	AR5K_REG_WRITE(AR5K_AR5212_BSS_IDM0, low_id); 
+	AR5K_REG_WRITE(AR5K_AR5212_BSS_IDM1, high_id); 
+
+	return (TRUE); 
+}
+
 AR5K_BOOL /*O.K.*/
 ar5k_ar5212_set_gpio_output(struct ath_hal *hal, u_int32_t gpio)
 {