wlcore/wl12xx/wl18xx: configure max_stations per-hw

Each hw supports a different max stations (connected to the
same ap). add a new wl->max_ap_stations and use it instead
of the current common AP_MAX_STATIONS.

Signed-off-by: Eliad Peller <eliad@wizery.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

drivers/net/wireless/ti/wl12xx/main.c

@@ -1750,11 +1750,13 @@ static int wl12xx_setup(struct wl1271 *wl)
 	struct wl12xx_platform_data *pdata = pdev_data->pdata;
 
 	BUILD_BUG_ON(WL12XX_MAX_LINKS > WLCORE_MAX_LINKS);
+	BUILD_BUG_ON(WL12XX_MAX_AP_STATIONS > WL12XX_MAX_LINKS);
 
 	wl->rtable = wl12xx_rtable;
 	wl->num_tx_desc = WL12XX_NUM_TX_DESCRIPTORS;
 	wl->num_rx_desc = WL12XX_NUM_RX_DESCRIPTORS;
 	wl->num_links = WL12XX_MAX_LINKS;
+	wl->max_ap_stations = WL12XX_MAX_AP_STATIONS;
 	wl->num_channels = 1;
 	wl->num_mac_addr = WL12XX_NUM_MAC_ADDRESSES;
 	wl->band_rate_to_idx = wl12xx_band_rate_to_idx;

drivers/net/wireless/ti/wl12xx/wl12xx.h

@@ -65,6 +65,7 @@
 
 #define WL12XX_RX_BA_MAX_SESSIONS 3
 
+#define WL12XX_MAX_AP_STATIONS 8
 #define WL12XX_MAX_LINKS 12
 
 struct wl127x_rx_mem_pool_addr {

drivers/net/wireless/ti/wl18xx/main.c

@@ -1753,11 +1753,13 @@ static int wl18xx_setup(struct wl1271 *wl)
 	int ret;
 
 	BUILD_BUG_ON(WL18XX_MAX_LINKS > WLCORE_MAX_LINKS);
+	BUILD_BUG_ON(WL18XX_MAX_AP_STATIONS > WL18XX_MAX_LINKS);
 
 	wl->rtable = wl18xx_rtable;
 	wl->num_tx_desc = WL18XX_NUM_TX_DESCRIPTORS;
 	wl->num_rx_desc = WL18XX_NUM_RX_DESCRIPTORS;
 	wl->num_links = WL18XX_MAX_LINKS;
+	wl->max_ap_stations = WL18XX_MAX_AP_STATIONS;
 	wl->num_channels = 2;
 	wl->num_mac_addr = WL18XX_NUM_MAC_ADDRESSES;
 	wl->band_rate_to_idx = wl18xx_band_rate_to_idx;

drivers/net/wireless/ti/wl18xx/wl18xx.h

@@ -42,6 +42,7 @@
 
 #define WL18XX_RX_BA_MAX_SESSIONS 5
 
+#define WL18XX_MAX_AP_STATIONS 8
 #define WL18XX_MAX_LINKS 12
 
 struct wl18xx_priv {

drivers/net/wireless/ti/wlcore/main.c

@@ -4662,7 +4662,7 @@ static int wl1271_allocate_sta(struct wl1271 *wl,
 	int ret;
 
 
-	if (wl->active_sta_count >= AP_MAX_STATIONS) {
+	if (wl->active_sta_count >= wl->max_ap_stations) {
 		wl1271_warning("could not allocate HLID - too much stations");
 		return -EBUSY;
 	}
@@ -5855,8 +5855,6 @@ struct ieee80211_hw *wlcore_alloc_hw(size_t priv_size, u32 aggr_buf_size,
 	int i, j, ret;
 	unsigned int order;
 
-	BUILD_BUG_ON(AP_MAX_STATIONS > WLCORE_MAX_LINKS);
-
 	hw = ieee80211_alloc_hw(sizeof(*wl), &wl1271_ops);
 	if (!hw) {
 		wl1271_error("could not alloc ieee80211_hw");

drivers/net/wireless/ti/wlcore/wlcore.h

@@ -438,6 +438,8 @@ struct wl1271 {
 	u32 num_rx_desc;
 	/* number of links the HW supports */
 	u8 num_links;
+	/* max stations a single AP can support */
+	u8 max_ap_stations;
 
 	/* translate HW Tx rates to standard rate-indices */
 	const u8 **band_rate_to_idx;

drivers/net/wireless/ti/wlcore/wlcore_i.h

@@ -123,8 +123,6 @@ struct wl1271_chip {
 
 #define NUM_TX_QUEUES              4
 
-#define AP_MAX_STATIONS            8
-
 struct wl_fw_status {
 	u32 intr;
 	u8  fw_rx_counter;