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cfg80211: introduce TDLS channel switch commands

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Introduce commands to initiate and cancel TDLS channel-switching. Once
TDLS channel-switching is started, the lower level driver is responsible
for continually initiating channel-switch operations and returning to
the base (AP) channel to listen for beacons from time to time.

Upon cancellation of the channel-switch all communication between the
relevant TDLS peers will continue on the base channel.

Signed-off-by: Arik Nemtsov <arikx.nemtsov@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
This commit is contained in:
Arik Nemtsov
2014-11-19 12:54:26 +02:00
committed by Johannes Berg
parent c273390569
commit 1057d35ede
6 changed files with 211 additions and 0 deletions
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19
include/uapi/linux/nl80211.h
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@@ -762,6 +762,18 @@
* @NL80211_CMD_LEAVE_OCB: Leave the OCB network -- no special arguments, the
* network is determined by the network interface.
*
* @NL80211_CMD_TDLS_CHANNEL_SWITCH: Start channel-switching with a TDLS peer,
* identified by the %NL80211_ATTR_MAC parameter. A target channel is
* provided via %NL80211_ATTR_WIPHY_FREQ and other attributes determining
* channel width/type. The target operating class is given via
* %NL80211_ATTR_OPER_CLASS.
* The driver is responsible for continually initiating channel-switching
* operations and returning to the base channel for communication with the
* AP.
* @NL80211_CMD_TDLS_CANCEL_CHANNEL_SWITCH: Stop channel-switching with a TDLS
* peer given by %NL80211_ATTR_MAC. Both peers must be on the base channel
* when this command completes.
*
* @NL80211_CMD_MAX: highest used command number
* @__NL80211_CMD_AFTER_LAST: internal use
*/
@@ -943,6 +955,9 @@ enum nl80211_commands {
NL80211_CMD_CH_SWITCH_STARTED_NOTIFY,
NL80211_CMD_TDLS_CHANNEL_SWITCH,
NL80211_CMD_TDLS_CANCEL_CHANNEL_SWITCH,
/* add new commands above here */
/* used to define NL80211_CMD_MAX below */
@@ -1669,6 +1684,8 @@ enum nl80211_commands {
* @NL80211_ATTR_SMPS_MODE: SMPS mode to use (ap mode). see
* &enum nl80211_smps_mode.
*
* @NL80211_ATTR_OPER_CLASS: operating class
*
* @NL80211_ATTR_MAX: highest attribute number currently defined
* @__NL80211_ATTR_AFTER_LAST: internal use
*/
@@ -2021,6 +2038,8 @@ enum nl80211_attrs {
NL80211_ATTR_SMPS_MODE,
NL80211_ATTR_OPER_CLASS,
/* add attributes here, update the policy in nl80211.c */
__NL80211_ATTR_AFTER_LAST,