mac80211: add post_channel_switch driver operation

As a counterpart to the pre_channel_switch operation, add a
post_channel_switch operation.  This allows the drivers to go back to
a normal configuration after the channel switch is completed.

Signed-off-by: Luciano Coelho <luciano.coelho@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>

1 files changed, 16 insertions, 0 deletions

diff --git a/net/mac80211/driver-ops.h b/net/mac80211/driver-ops.h
index 5522672129ce..0a6090644769 100644
--- a/net/mac80211/driver-ops.h
+++ b/net/mac80211/driver-ops.h
@@ -1214,6 +1214,22 @@ drv_pre_channel_switch(struct ieee80211_sub_if_data *sdata,
         return ret;
 }
 
+static inline int
+drv_post_channel_switch(struct ieee80211_sub_if_data *sdata)
+{
+        struct ieee80211_local *local = sdata->local;
+        int ret = 0;
+
+        if (!check_sdata_in_driver(sdata))
+                return -EIO;
+
+        trace_drv_post_channel_switch(local, sdata);
+        if (local->ops->post_channel_switch)
+                ret = local->ops->post_channel_switch(&local->hw, &sdata->vif);
+        trace_drv_return_int(local, ret);
+        return ret;
+}
+
 static inline int drv_join_ibss(struct ieee80211_local *local,
                                 struct ieee80211_sub_if_data *sdata)
 {