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nl80211: add API to probe a client

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When the AP SME in hostapd is used it wants to
probe the clients when they have been idle for
some time. Add explicit API to support this.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Johannes Berg
2011-11-04 11:18:15 +01:00
committed by John W. Linville
parent 562a74803f
commit 7f6cf311a5
3 changed files with 131 additions and 0 deletions
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10
include/linux/nl80211.h
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@ -519,6 +519,14 @@
* If used as the command it must have an interface index and you can
* only unsubscribe from the event by closing the socket.
*
* @NL80211_CMD_PROBE_CLIENT: Probe an associated station on an AP interface
* by sending a null data frame to it and reporting when the frame is
* acknowleged. This is used to allow timing out inactive clients. Uses
* %NL80211_ATTR_IFINDEX and %NL80211_ATTR_MAC. The command returns a
* direct reply with an %NL80211_ATTR_COOKIE that is later used to match
* up the event with the request. The event includes the same data and
* has %NL80211_ATTR_ACK set if the frame was ACKed.
*
* @NL80211_CMD_MAX: highest used command number
* @__NL80211_CMD_AFTER_LAST: internal use
*/
@ -650,6 +658,8 @@ enum nl80211_commands {
NL80211_CMD_UNEXPECTED_FRAME,
NL80211_CMD_PROBE_CLIENT,
/* add new commands above here */
/* used to define NL80211_CMD_MAX below */