nl/cfg80211: add the NL80211_CMD_SET_MCAST_RATE command

This command triggers a new callback: set_mcast_rate(). It enables
the user to change the rate used to send multicast frames for vif
configured as IBSS or MESH_POINT

Signed-off-by: Antonio Quartulli <ordex@autistici.org>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>

2 files changed, 11 insertions, 0 deletions

diff --git a/include/net/cfg80211.h b/include/net/cfg80211.h
index 8034a4268fcb..cee791fd4cff 100644
--- a/include/net/cfg80211.h
+++ b/include/net/cfg80211.h
@@ -1545,6 +1545,9 @@ struct cfg80211_gtk_rekey_data {
  *      to a merge.
  * @leave_ibss: Leave the IBSS.
  *
+ * @set_mcast_rate: Set the specified multicast rate (only if vif is in ADHOC or
+ *      MESH mode)
+ *
  * @set_wiphy_params: Notify that wiphy parameters have changed;
  *      @changed bitfield (see &enum wiphy_params_flags) describes which values
  *      have changed. The actual parameter values are available in
@@ -1749,6 +1752,9 @@ struct cfg80211_ops {
                              struct cfg80211_ibss_params *params);
         int     (*leave_ibss)(struct wiphy *wiphy, struct net_device *dev);
 
+        int     (*set_mcast_rate)(struct wiphy *wiphy, struct net_device *dev,
+                                  int rate[IEEE80211_NUM_BANDS]);
+
         int     (*set_wiphy_params)(struct wiphy *wiphy, u32 changed);
 
         int     (*set_tx_power)(struct wiphy *wiphy, struct wireless_dev *wdev,
diff --git a/include/uapi/linux/nl80211.h b/include/uapi/linux/nl80211.h
index 4c5f6748ed7d..cbd2d6bb907a 100644
--- a/include/uapi/linux/nl80211.h
+++ b/include/uapi/linux/nl80211.h
@@ -578,6 +578,9 @@
  *      station, due to particular reason. %NL80211_ATTR_CONN_FAILED_REASON
  *      is used for this.
  *
+ * @NL80211_CMD_SET_MCAST_RATE: Change the rate used to send multicast frames
+ *      for IBSS or MESH vif.
+ *
  * @NL80211_CMD_MAX: highest used command number
  * @__NL80211_CMD_AFTER_LAST: internal use
  */
@@ -726,6 +729,8 @@ enum nl80211_commands {
 
         NL80211_CMD_CONN_FAILED,
 
+        NL80211_CMD_SET_MCAST_RATE,
+
         /* add new commands above here */
 
         /* used to define NL80211_CMD_MAX below */