mac80211: Add new API for rate selection

This patch adds a new API for setting a TX rate mask in
drivers that have rate control in either the firmware or hardware.
This can be used for various purposes, for example, masking out the
11b rates in P2P operation.

Signed-off-by: Sujith Manoharan <Sujith.Manoharan@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

1 files changed, 18 insertions, 0 deletions

diff --git a/net/mac80211/driver-ops.h b/net/mac80211/driver-ops.h
index 00a0685f2403..2ddb56e5b51f 100644
--- a/net/mac80211/driver-ops.h
+++ b/net/mac80211/driver-ops.h
@@ -565,4 +565,22 @@ static inline bool drv_tx_frames_pending(struct ieee80211_local *local)
 
         return ret;
 }
+
+static inline int drv_set_bitrate_mask(struct ieee80211_local *local,
+                                       struct ieee80211_sub_if_data *sdata,
+                                       const struct cfg80211_bitrate_mask *mask)
+{
+        int ret = -EOPNOTSUPP;
+
+        might_sleep();
+
+        trace_drv_set_bitrate_mask(local, sdata, mask);
+        if (local->ops->set_bitrate_mask)
+                ret = local->ops->set_bitrate_mask(&local->hw,
+                                                   &sdata->vif, mask);
+        trace_drv_return_int(local, ret);
+
+        return ret;
+}
+
 #endif /* __MAC80211_DRIVER_OPS */