wl12xx: set scan probe requests rate according to the no_cck flag

Set the TX rate of probe requests during scanning according to the
no_cck flag in the scan request struct.

Signed-off-by: Guy Eilam <guy@wizery.com>
Signed-off-by: Eliad Peller <eliad@wizery.com>
Signed-off-by: Luciano Coelho <coelho@ti.com>

diff --git a/drivers/net/wireless/wl12xx/conf.h b/drivers/net/wireless/wl12xx/conf.h
index 04bb8fbf93f96630386326994bd8d119e96b9917..1bcfb017058d19da42682bdb817488575d8be6d1 100644 (file)
--- a/drivers/net/wireless/wl12xx/conf.h
+++ b/drivers/net/wireless/wl12xx/conf.h
@@ -440,6 +440,10 @@ struct conf_rx_settings {
        CONF_HW_BIT_RATE_36MBPS | CONF_HW_BIT_RATE_48MBPS |      \
        CONF_HW_BIT_RATE_54MBPS)
 
+#define CONF_TX_CCK_RATES  (CONF_HW_BIT_RATE_1MBPS |           \
+       CONF_HW_BIT_RATE_2MBPS | CONF_HW_BIT_RATE_5_5MBPS |     \
+       CONF_HW_BIT_RATE_11MBPS)
+
 #define CONF_TX_OFDM_RATES (CONF_HW_BIT_RATE_6MBPS |             \
        CONF_HW_BIT_RATE_12MBPS | CONF_HW_BIT_RATE_24MBPS |      \
        CONF_HW_BIT_RATE_36MBPS | CONF_HW_BIT_RATE_48MBPS |      \

diff --git a/drivers/net/wireless/wl12xx/scan.c b/drivers/net/wireless/wl12xx/scan.c
index 898d03d5b5278ea4a44fd04ac719682e1931c11c..a13c49e27a363912baff48d9476de8eee9434b89 100644 (file)
--- a/drivers/net/wireless/wl12xx/scan.c
+++ b/drivers/net/wireless/wl12xx/scan.c
@@ -202,7 +202,6 @@ static int wl1271_scan_send(struct wl1271 *wl, struct ieee80211_vif *vif,
 
        cmd->params.tx_rate = cpu_to_le32(basic_rate);
        cmd->params.n_probe_reqs = wl->conf.scan.num_probe_reqs;
-       cmd->params.tx_rate = cpu_to_le32(basic_rate);
        cmd->params.tid_trigger = 0;
        cmd->params.scan_tag = WL1271_SCAN_DEFAULT_TAG;
 
@@ -254,7 +253,7 @@ void wl1271_scan_stm(struct wl1271 *wl, struct ieee80211_vif *vif)
        struct wl12xx_vif *wlvif = wl12xx_vif_to_data(vif);
        int ret = 0;
        enum ieee80211_band band;
-       u32 rate;
+       u32 rate, mask;
 
        switch (wl->scan.state) {
        case WL1271_SCAN_STATE_IDLE:
@@ -262,7 +261,13 @@ void wl1271_scan_stm(struct wl1271 *wl, struct ieee80211_vif *vif)
 
        case WL1271_SCAN_STATE_2GHZ_ACTIVE:
                band = IEEE80211_BAND_2GHZ;
-               rate = wl1271_tx_min_rate_get(wl, wlvif->bitrate_masks[band]);
+               mask = wlvif->bitrate_masks[band];
+               if (wl->scan.req->no_cck) {
+                       mask &= ~CONF_TX_CCK_RATES;
+                       if (!mask)
+                               mask = CONF_TX_RATE_MASK_BASIC_P2P;
+               }
+               rate = wl1271_tx_min_rate_get(wl, mask);
                ret = wl1271_scan_send(wl, vif, band, false, rate);
                if (ret == WL1271_NOTHING_TO_SCAN) {
                        wl->scan.state = WL1271_SCAN_STATE_2GHZ_PASSIVE;
@@ -273,7 +278,13 @@ void wl1271_scan_stm(struct wl1271 *wl, struct ieee80211_vif *vif)
 
        case WL1271_SCAN_STATE_2GHZ_PASSIVE:
                band = IEEE80211_BAND_2GHZ;
-               rate = wl1271_tx_min_rate_get(wl, wlvif->bitrate_masks[band]);
+               mask = wlvif->bitrate_masks[band];
+               if (wl->scan.req->no_cck) {
+                       mask &= ~CONF_TX_CCK_RATES;
+                       if (!mask)
+                               mask = CONF_TX_RATE_MASK_BASIC_P2P;
+               }
+               rate = wl1271_tx_min_rate_get(wl, mask);
                ret = wl1271_scan_send(wl, vif, band, true, rate);
                if (ret == WL1271_NOTHING_TO_SCAN) {
                        if (wl->enable_11a)