1 files changed, 13 insertions, 0 deletions

diff --git a/include/linux/nl80211.h b/include/linux/nl80211.h
index f8750f9a65b8..b7c77f9712f4 100644
--- a/include/linux/nl80211.h
+++ b/include/linux/nl80211.h
@@ -52,6 +52,8 @@
  *      %NL80211_ATTR_WIPHY_CHANNEL_TYPE, %NL80211_ATTR_WIPHY_RETRY_SHORT,
  *      %NL80211_ATTR_WIPHY_RETRY_LONG, %NL80211_ATTR_WIPHY_FRAG_THRESHOLD,
  *      and/or %NL80211_ATTR_WIPHY_RTS_THRESHOLD.
+ *      However, for setting the channel, see %NL80211_CMD_SET_CHANNEL
+ *      instead, the support here is for backward compatibility only.
  * @NL80211_CMD_NEW_WIPHY: Newly created wiphy, response to get request
  *      or rename notification. Has attributes %NL80211_ATTR_WIPHY and
  *      %NL80211_ATTR_WIPHY_NAME.
@@ -329,6 +331,15 @@
  * @NL80211_CMD_NOTIFY_CQM: Connection quality monitor notification. This
  *      command is used as an event to indicate the that a trigger level was
  *      reached.
+ * @NL80211_CMD_SET_CHANNEL: Set the channel (using %NL80211_ATTR_WIPHY_FREQ
+ *      and %NL80211_ATTR_WIPHY_CHANNEL_TYPE) the given interface (identifed
+ *      by %NL80211_ATTR_IFINDEX) shall operate on.
+ *      In case multiple channels are supported by the device, the mechanism
+ *      with which it switches channels is implementation-defined.
+ *      When a monitor interface is given, it can only switch channel while
+ *      no other interfaces are operating to avoid disturbing the operation
+ *      of any other interfaces, and other interfaces will again take
+ *      precedence when they are used.
  *
  * @NL80211_CMD_MAX: highest used command number
  * @__NL80211_CMD_AFTER_LAST: internal use
@@ -428,6 +439,8 @@ enum nl80211_commands {
         NL80211_CMD_SET_CQM,
         NL80211_CMD_NOTIFY_CQM,
 
+        NL80211_CMD_SET_CHANNEL,
+
         /* add new commands above here */
 
         /* used to define NL80211_CMD_MAX below */