[MAC80211]: Add support for SIOCGIWRATE ioctl

[linux-2.6-omap-h63xx.git] / net / mac80211 / ieee80211_ioctl.c

diff --git a/net/mac80211/ieee80211_ioctl.c b/net/mac80211/ieee80211_ioctl.c
index 352f03bd8a3adcd8104212e1bf731c8961a4af46..66e8a976b311969a267073b61f949531cb761523 100644 (file)
--- a/net/mac80211/ieee80211_ioctl.c
+++ b/net/mac80211/ieee80211_ioctl.c
@@ -838,6 +838,29 @@ static int ieee80211_ioctl_giwscan(struct net_device *dev,
 }
 
 
+static int ieee80211_ioctl_giwrate(struct net_device *dev,
+                                 struct iw_request_info *info,
+                                 struct iw_param *rate, char *extra)
+{
+       struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
+       struct sta_info *sta;
+       struct ieee80211_sub_if_data *sdata;
+
+       sdata = IEEE80211_DEV_TO_SUB_IF(dev);
+       if (sdata->type == IEEE80211_IF_TYPE_STA)
+               sta = sta_info_get(local, sdata->u.sta.bssid);
+       else
+               return -EOPNOTSUPP;
+       if (!sta)
+               return -ENODEV;
+       if (sta->txrate < local->oper_hw_mode->num_rates)
+               rate->value = local->oper_hw_mode->rates[sta->txrate].rate * 100000;
+       else
+               rate->value = 0;
+       sta_info_put(sta);
+       return 0;
+}
+
 static int ieee80211_ioctl_siwrts(struct net_device *dev,
                                  struct iw_request_info *info,
                                  struct iw_param *rts, char *extra)
@@ -1779,7 +1802,7 @@ static const iw_handler ieee80211_handler[] =
        (iw_handler) NULL,                              /* -- hole -- */
        (iw_handler) NULL,                              /* -- hole -- */
        (iw_handler) NULL,                              /* SIOCSIWRATE */
-       (iw_handler) NULL,                              /* SIOCGIWRATE */
+       (iw_handler) ieee80211_ioctl_giwrate,           /* SIOCGIWRATE */
        (iw_handler) ieee80211_ioctl_siwrts,            /* SIOCSIWRTS */
        (iw_handler) ieee80211_ioctl_giwrts,            /* SIOCGIWRTS */
        (iw_handler) ieee80211_ioctl_siwfrag,           /* SIOCSIWFRAG */