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mac80211: support max channel switch time element

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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>
This commit is contained in:
Sara Sharon
2019-02-06 13:17:09 +02:00
committed by Johannes Berg
parent 4d9ec73d2b
commit ee145775c1
6 changed files with 18 additions and 0 deletions
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2
net/mac80211/ieee80211_i.h
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@@ -1453,6 +1453,7 @@ struct ieee80211_csa_ie {
u8 ttl;
u16 pre_value;
u16 reason_code;
u32 max_switch_time;
};
/* Parsed Information Elements */
@@ -1493,6 +1494,7 @@ struct ieee802_11_elems {
const struct ieee80211_channel_sw_ie *ch_switch_ie;
const struct ieee80211_ext_chansw_ie *ext_chansw_ie;
const struct ieee80211_wide_bw_chansw_ie *wide_bw_chansw_ie;
const u8 *max_channel_switch_time;
const u8 *country_elem;
const u8 *pwr_constr_elem;
const u8 *cisco_dtpc_elem;