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path: root/drivers/net/wireless/mwifiex/cfp.c
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-rw-r--r--drivers/net/wireless/mwifiex/cfp.c42
1 files changed, 37 insertions, 5 deletions
diff --git a/drivers/net/wireless/mwifiex/cfp.c b/drivers/net/wireless/mwifiex/cfp.c
index 5178c4630d89..9eefacbc844b 100644
--- a/drivers/net/wireless/mwifiex/cfp.c
+++ b/drivers/net/wireless/mwifiex/cfp.c
@@ -404,11 +404,43 @@ mwifiex_is_rate_auto(struct mwifiex_private *priv)
return false;
}
-/*
- * This function gets the supported data rates.
- *
- * The function works in both Ad-Hoc and infra mode by printing the
- * band and returning the data rates.
+/* This function gets the supported data rates from bitmask inside
+ * cfg80211_scan_request.
+ */
+u32 mwifiex_get_rates_from_cfg80211(struct mwifiex_private *priv,
+ u8 *rates, u8 radio_type)
+{
+ struct wiphy *wiphy = priv->adapter->wiphy;
+ struct cfg80211_scan_request *request = priv->scan_request;
+ u32 num_rates, rate_mask;
+ struct ieee80211_supported_band *sband;
+ int i;
+
+ if (radio_type) {
+ sband = wiphy->bands[IEEE80211_BAND_5GHZ];
+ if (WARN_ON_ONCE(!sband))
+ return 0;
+ rate_mask = request->rates[IEEE80211_BAND_5GHZ];
+ } else {
+ sband = wiphy->bands[IEEE80211_BAND_2GHZ];
+ if (WARN_ON_ONCE(!sband))
+ return 0;
+ rate_mask = request->rates[IEEE80211_BAND_2GHZ];
+ }
+
+ num_rates = 0;
+ for (i = 0; i < sband->n_bitrates; i++) {
+ if ((BIT(i) & rate_mask) == 0)
+ continue; /* skip rate */
+ rates[num_rates++] = (u8)(sband->bitrates[i].bitrate / 5);
+ }
+
+ return num_rates;
+}
+
+/* This function gets the supported data rates. The function works in
+ * both Ad-Hoc and infra mode by printing the band and returning the
+ * data rates.
*/
u32 mwifiex_get_supported_rates(struct mwifiex_private *priv, u8 *rates)
{