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Since we're pointing into a frame, the pointer to the
twt_agrt->req_type struct member is potentially not
aligned properly. Open-code le16p_replace_bits() to
avoid passing an unaligned pointer.
Reported-by: kernel test robot <lkp@intel.com>
Fixes: f5a4c24e689f ("mac80211: introduce individual TWT support in AP mode")
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Link: https://lore.kernel.org/r/20210927115124.e1208694f37b.Ie3de9bcc5dde5a79e3ac81f3185beafe4d214e57@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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Introduce TWT action frames parsing support to mac80211.
Currently just individual TWT agreement are support in AP mode.
Whenever the AP receives a TWT action frame from an associated client,
after performing sanity checks, it will notify the underlay driver with
requested parameters in order to check if they are supported and if there
is enough room for a new agreement. The driver is expected to set the
agreement result and report it to mac80211.
Drivers supporting this have two new callbacks:
- add_twt_setup (mandatory)
- twt_teardown_request (optional)
mac80211 will send an action frame reply according to the result
reported by the driver.
Tested-by: Peter Chiu <chui-hao.chiu@mediatek.com>
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Link: https://lore.kernel.org/r/257512f2e22ba42b9f2624942a128dd8f141de4b.1629741512.git.lorenzo@kernel.org
[use le16p_replace_bits(), minor cleanups, use (void *) casts,
fix to use ieee80211_get_he_iftype_cap() correctly]
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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last_rate is initialized to zero by sta_info_alloc(), but
this indicates legacy bitrate for the last TX rate (and
invalid for the last RX rate). To avoid a warning when
decoding the last rate as legacy (before a data frame
has been sent), initialize them as S1G MCS.
Signed-off-by: Thomas Pedersen <thomas@adapt-ip.com>
Link: https://lore.kernel.org/r/20201005164522.18069-2-thomas@adapt-ip.com
[rename to ieee80211_s1g_sta_rate_init(), seems more appropriate]
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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