mac80211: support max channel switch time element

2018 REVmd of the spec introduces the max channel switch time
element which is optionally included in beacons/probes when there
is a channel switch / extended channel switch element.
The value represents the maximum delay between the time the AP
transmitted the last beacon in current channel and the expected
time of the first beacon in the new channel, in TU.

Parse the value and pass it to the driver.

Signed-off-by: Sara Sharon <sara.sharon@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Christian Lamparter <chunkeey@gmail.com>

diff --git a/include/linux/ieee80211.h b/include/linux/ieee80211.h
index 190c69ca35874a2a38eb2d591bde165a7c5fbebb..d9b8333e7263550be63ace5e08b034c4279cca39 100644 (file)
--- a/include/linux/ieee80211.h
+++ b/include/linux/ieee80211.h
@@ -2496,6 +2496,7 @@ enum ieee80211_eid_ext {
        WLAN_EID_EXT_HE_OPERATION = 36,
        WLAN_EID_EXT_UORA = 37,
        WLAN_EID_EXT_HE_MU_EDCA = 38,
+       WLAN_EID_EXT_MAX_CHANNEL_SWITCH_TIME = 52,
        WLAN_EID_EXT_MULTIPLE_BSSID_CONFIGURATION = 55,
 };