From: Mohamed Abbas <mabbas@xxxxxxxxxxxxxxx>
The WEXT ioctl SIOCSIWRATE is not implemented in mac80211. This patch
adds the missing routine. It supports the 'auto' keyword, fixed rates,
and the combination of 'auto' and a fixed rate to select an upper bound.
Signed-off-by: Mohamed Abbas <mabbas@xxxxxxxxxxxxxxx>
Signed-off-by: Larry Finger <Larry.Finger@xxxxxxxxxxxx>
---
ieee80211_ioctl.c | 51 ++++++++++++++++++++++++++++++++++++++++++++++++++-
1 file changed, 50 insertions(+), 1 deletion(-)
Index: wireless-dev/net/mac80211/ieee80211_ioctl.c
===================================================================
--- wireless-dev.orig/net/mac80211/ieee80211_ioctl.c
+++ wireless-dev/net/mac80211/ieee80211_ioctl.c
@@ -2013,6 +2013,55 @@ static int ieee80211_ioctl_giwscan(struc
}
+static int ieee80211_ioctl_siwrate(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 ieee80211_hw_mode *mode;
+ int i;
+ u32 target_rate = rate->value / 100000;
+ u32 supp = 0;
+ struct ieee80211_sub_if_data *sdata;
+ struct sta_info *sta;
+
+ sdata = IEEE80211_DEV_TO_SUB_IF(dev);
+ mode = local->oper_hw_mode;
+ /* value = -1, rate->fixed = 0 means auto only, so use all rates
+ * value = X, rate->fixed = 1 means only rate X
+ * value = X, rate->fixed = 0 means all rates <= X */
+ for (i=0; i< mode->num_rates; i++) {
+ struct ieee80211_rate *rates = &mode->rates[i];
+ int target = rates->rate;
+
+ if (mode->mode == MODE_ATHEROS_TURBO ||
+ mode->mode == MODE_ATHEROS_TURBOG)
+ target *= 2;
+ if ((target_rate == target) && rate->fixed) {
+ supp |= BIT(i);
+ sdata->u.ap.force_unicast_rateidx = i;
+ sdata->u.ap.max_ratectrl_rateidx = i;
+ break;
+ }
+ if ((!rate->fixed && (target <= target_rate)) || (rate->value < 0)) {
+ supp |= BIT(i);
+ sdata->u.ap.force_unicast_rateidx = -1;
+ if (target_rate == target)
+ sdata->u.ap.max_ratectrl_rateidx = i;
+ }
+ }
+ sdata->u.sta.supp_rates_bits = supp;
+ if (sdata->type == IEEE80211_IF_TYPE_STA) {
+ sta = sta_info_get(local, sdata->u.sta.bssid);
+ if (sta) {
+ sta->txrate = sdata->u.ap.max_ratectrl_rateidx;
+ sta->supp_rates = supp;
+ sta_info_put(sta);
+ }
+ }
+ return 0;
+}
+
static int ieee80211_ioctl_giwrate(struct net_device *dev,
struct iw_request_info *info,
struct iw_param *rate, char *extra)
@@ -3159,7 +3208,7 @@ static const iw_handler ieee80211_handle
(iw_handler) NULL, /* SIOCGIWNICKN */
(iw_handler) NULL, /* -- hole -- */
(iw_handler) NULL, /* -- hole -- */
- (iw_handler) NULL, /* SIOCSIWRATE */
+ (iw_handler) ieee80211_ioctl_siwrate, /* SIOCSIWRATE */
(iw_handler) ieee80211_ioctl_giwrate, /* SIOCGIWRATE */
(iw_handler) ieee80211_ioctl_siwrts, /* SIOCSIWRTS */
(iw_handler) ieee80211_ioctl_giwrts, /* SIOCGIWRTS */
-
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