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Emmanuel Grumbach d1deb58639 mac80211: ignore NullFunc frames in the duplicate detection 
commit 990d71846a upstream.

NullFunc packets should never be duplicate just like
QoS-NullFunc packets.

We saw a client that enters / exits power save with
NullFunc frames (and not with QoS-NullFunc) despite the
fact that the association supports HT.
This specific client also re-uses a non-zero sequence number
for different NullFunc frames.
At some point, the client had to send a retransmission of
the NullFunc frame and we dropped it, leading to a
misalignment in the power save state.
Fix this by never consider a NullFunc frame as duplicate,
just like we do for QoS NullFunc frames.

This fixes https://bugzilla.kernel.org/show_bug.cgi?id=201449

CC: <stable@vger.kernel.org>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
 		2018-12-13 09:21:37 +01:00
..
Kconfig mac80211: use DECLARE_EWMA 2015-08-14 17:49:53 +02:00
Makefile mac80211: remove event.c 2015-10-14 18:40:26 +02:00
aes_ccm.c mac80211: Switch to new AEAD interface 2015-05-28 11:23:20 +08:00
aes_ccm.h mac80111: Add CCMP-256 cipher 2015-01-27 11:07:35 +01:00
aes_cmac.c mac80211: remove ieee80211_aes_cmac_calculate_k1_k2() 2015-08-13 11:31:45 +02:00
aes_cmac.h mac80111: Add BIP-CMAC-256 cipher 2015-01-27 11:09:13 +01:00
aes_gcm.c mac80211: Switch to new AEAD interface 2015-05-28 11:23:20 +08:00
aes_gcm.h mac80111: Add GCMP and GCMP-256 ciphers 2015-01-27 11:06:09 +01:00
aes_gmac.c mac80211: Switch to new AEAD interface 2015-05-28 11:23:20 +08:00
aes_gmac.h mac80111: Add BIP-GMAC-128 and BIP-GMAC-256 ciphers 2015-01-27 11:10:13 +01:00
agg-rx.c mac80211: RX BA support for sta max_rx_aggregation_subframes 2017-05-20 14:27:03 +02:00
agg-tx.c mac80211: pass block ack session timeout to to driver 2017-05-20 14:27:03 +02:00
cfg.c mac80211: fix setting IEEE80211_KEY_FLAG_RX_MGMT for AP mode keys 2018-10-13 09:11:32 +02:00
chan.c mac80211: upgrade BW of TDLS peers when possible 2015-07-17 15:38:12 +02:00
debug.h mac80211: 802.11p OCB mode support 2014-11-04 13:18:21 +01:00
debugfs.c net/mac80211/debugfs.c: prevent build failure with CONFIG_UBSAN=y 2018-01-17 09:35:25 +01:00
debugfs.h mac80211: fix some missing includes 2014-04-09 14:49:43 +02:00
debugfs_key.c mac80211: allow writing TX PN in debugfs 2015-09-29 15:56:50 +02:00
debugfs_key.h mac80211: support separate default keys 2010-12-13 15:23:29 -05:00
debugfs_netdev.c mac80211: remove last_beacon/ave_beacon debugfs files 2015-09-22 15:21:25 +02:00
debugfs_netdev.h mac80211: fix some missing includes 2014-04-09 14:49:43 +02:00
debugfs_sta.c mac80211: move station statistics into sub-structs 2015-10-21 10:08:22 +02:00
debugfs_sta.h
…
driver-ops.c mac80211: pass block ack session timeout to to driver 2017-05-20 14:27:03 +02:00
driver-ops.h mac80211: pass block ack session timeout to to driver 2017-05-20 14:27:03 +02:00
ethtool.c mac80211: move station statistics into sub-structs 2015-10-21 10:08:22 +02:00
ht.c mac80211: add VHT support for IBSS 2015-03-30 10:48:26 +02:00
ibss.c mac80211: shorten the IBSS debug messages 2018-10-10 08:52:11 +02:00
ieee80211_i.h mac80211: Remove invalid flag operations in mesh TSF synchronization 2017-11-30 08:37:27 +00:00
iface.c mac80211: Clear beacon_int in ieee80211_do_stop 2018-12-13 09:21:37 +01:00
key.c mac80211: restrict delayed tailroom needed decrement 2018-09-26 08:35:06 +02:00
key.h mac80211: remove key TX/RX counter 2015-07-17 15:38:01 +02:00
led.c mac80211: fix throughput LED trigger 2015-05-11 19:16:04 +02:00
led.h mac80211: make LED triggering depend on activation 2015-05-05 14:21:56 +02:00
main.c mac80211: fix a race between restart and CSA flows 2018-10-10 08:52:11 +02:00
mesh.c mac80211: Fix addition of mesh configuration element 2017-12-20 10:04:52 +01:00
mesh.h mac80211: Requeue work after scan complete for all VIF types. 2016-03-03 15:07:26 -08:00
mesh_hwmp.c mac80211: mesh: fix HWMP sequence numbering to follow standard 2018-10-10 08:52:10 +02:00
mesh_pathtbl.c mac80211: mesh: fix call_rcu() usage 2015-11-17 15:49:25 +01:00
mesh_plink.c mac80211: Suppress NEW_PEER_CANDIDATE event if no room 2017-11-30 08:37:27 +00:00
mesh_ps.c mac80211: mesh: separate plid and aid concepts 2015-07-17 15:47:11 +02:00
mesh_sync.c mac80211: Remove invalid flag operations in mesh TSF synchronization 2017-11-30 08:37:27 +00:00
michael.c
…
michael.h mac80211: fix some missing includes 2014-04-09 14:49:43 +02:00
mlme.c mac80211: Fix station bandwidth setting after channel switch 2018-10-10 08:52:11 +02:00
ocb.c mac80211: move station statistics into sub-structs 2015-10-21 10:08:22 +02:00
offchannel.c mac80211: flush hw_roc_start work before cancelling the ROC 2017-10-05 09:41:44 +02:00
pm.c mac80211: flush delayed work when entering suspend 2017-03-15 09:57:14 +08:00
rate.c mac80211: further improve "no supported rates" warning 2015-11-03 10:56:42 +01:00
rate.h mac80211: deinline rate_control_rate_init, rate_control_rate_update 2015-07-17 15:50:02 +02:00
rc80211_minstrel.c mac80211: minstrel: Change expected throughput unit back to Kbps 2016-03-16 08:42:59 -07:00
rc80211_minstrel.h mac80211: add standard deviation to Minstrel stats 2015-04-01 20:44:33 +02:00
rc80211_minstrel_debugfs.c mac80211: minstrel[_ht]: remove non-ascii debugfs characters 2015-09-29 15:56:47 +02:00
rc80211_minstrel_ht.c mac80211: minstrel_ht: fix a logic error in RTS/CTS handling 2016-03-16 08:43:00 -07:00
rc80211_minstrel_ht.h mac80211: add max lossless throughput per rate 2015-04-01 20:44:32 +02:00
rc80211_minstrel_ht_debugfs.c mac80211: minstrel[_ht]: remove non-ascii debugfs characters 2015-09-29 15:56:47 +02:00
rx.c mac80211: ignore NullFunc frames in the duplicate detection 2018-12-13 09:21:37 +01:00
scan.c mac80211: Requeue work after scan complete for all VIF types. 2016-03-03 15:07:26 -08:00
spectmgmt.c mac80211: remove unused variable in ieee80211_parse_ch_switch_ie() 2014-12-17 15:45:17 +01:00
sta_info.c mac80211: fix power saving clients handling in iwlwifi 2017-10-21 17:09:04 +02:00
sta_info.h mac80211: fix fast_tx header alignment 2016-07-27 09:47:27 -07:00
status.c mac80211: ignore tx status for PS stations in ieee80211_tx_status_ext 2018-12-13 09:21:37 +01:00
tdls.c mac80211: TDLS: add proper HT-oper IE 2015-11-03 10:42:47 +01:00
tkip.c mac80211: fix checkpatch errors 2013-12-18 10:33:06 +01:00
tkip.h mac80211: fix TKIP races, make API easier to use 2011-07-08 11:11:19 -04:00
trace.c mac80211: Move message tracepoints to their own header 2015-04-07 12:32:09 -04:00
trace.h mac80211: pass block ack session timeout to to driver 2017-05-20 14:27:03 +02:00
trace_msg.h mac80211: Move message tracepoints to their own header 2015-04-07 12:32:09 -04:00
tx.c mac80211: fix reordering of buffered broadcast packets 2018-12-13 09:21:37 +01:00
util.c mac80211: add stations tied to AP_VLANs during hw reconfig 2018-09-05 09:18:33 +02:00
vht.c mac80211: handle width changes from opmode notification IE in beacon 2015-12-15 13:16:47 +01:00
wep.c mac80211: Add RX flag to indicate ICV stripped 2018-05-16 10:06:46 +02:00
wep.h mac80211: move RX WEP weak IV counting 2012-03-13 14:54:16 -04:00
wme.c mac80211: synchronously reserve TID per station 2014-11-19 18:45:36 +01:00
wme.h mac80211: add WMM admission control support 2014-10-22 10:42:09 +02:00
wpa.c mac80211: Add RX flag to indicate ICV stripped 2018-05-16 10:06:46 +02:00
wpa.h mac80111: Add BIP-GMAC-128 and BIP-GMAC-256 ciphers 2015-01-27 11:10:13 +01:00