cfg80211: implement IWRATE
For now, let's implement that using a very hackish way:
simply mirror the wext API in the cfg80211 API. This
will have to be changed later when we implement proper
bitrate API.
Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/net/mac80211/cfg.c b/net/mac80211/cfg.c
index 2cf5bf6..028f643 100644
--- a/net/mac80211/cfg.c
+++ b/net/mac80211/cfg.c
@@ -1423,6 +1423,48 @@
return 0;
}
+static int ieee80211_set_bitrate_mask(struct wiphy *wiphy,
+ struct net_device *dev,
+ const u8 *addr,
+ const struct cfg80211_bitrate_mask *mask)
+{
+ struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
+ struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
+ int i, err = -EINVAL;
+ u32 target_rate;
+ struct ieee80211_supported_band *sband;
+
+ sband = local->hw.wiphy->bands[local->hw.conf.channel->band];
+
+ /* target_rate = -1, rate->fixed = 0 means auto only, so use all rates
+ * target_rate = X, rate->fixed = 1 means only rate X
+ * target_rate = X, rate->fixed = 0 means all rates <= X */
+ sdata->max_ratectrl_rateidx = -1;
+ sdata->force_unicast_rateidx = -1;
+
+ if (mask->fixed)
+ target_rate = mask->fixed / 100;
+ else if (mask->maxrate)
+ target_rate = mask->maxrate / 100;
+ else
+ return 0;
+
+ for (i=0; i< sband->n_bitrates; i++) {
+ struct ieee80211_rate *brate = &sband->bitrates[i];
+ int this_rate = brate->bitrate;
+
+ if (target_rate == this_rate) {
+ sdata->max_ratectrl_rateidx = i;
+ if (mask->fixed)
+ sdata->force_unicast_rateidx = i;
+ err = 0;
+ break;
+ }
+ }
+
+ return err;
+}
+
struct cfg80211_ops mac80211_config_ops = {
.add_virtual_intf = ieee80211_add_iface,
.del_virtual_intf = ieee80211_del_iface,
@@ -1468,4 +1510,5 @@
.rfkill_poll = ieee80211_rfkill_poll,
CFG80211_TESTMODE_CMD(ieee80211_testmode_cmd)
.set_power_mgmt = ieee80211_set_power_mgmt,
+ .set_bitrate_mask = ieee80211_set_bitrate_mask,
};