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9e478066ea
linux/net/mac80211
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Johannes Berg 9e478066ea mac80211: fix MU-MIMO follow-MAC mode 
There are two bugs in the follow-MAC code:
 * it treats the radiotap header as the 802.11 header
   (therefore it can't possibly work)
 * it doesn't verify that the skb data it accesses is actually
   present in the header, which is mitigated by the first point

Fix this by moving all of this out into a separate function.
This function copies the data it needs using skb_copy_bits()
to make sure it can be accessed if it's paged, and offsets
that by the possibly present vendor radiotap header.

This also makes all those conditions more readable.

Cc: stable@vger.kernel.org
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2017-04-13 14:35:53 +02:00
..
aes_ccm.c mac80211: move struct aead_req off the stack 2016-10-17 16:14:04 +02:00
aes_ccm.h mac80211: move struct aead_req off the stack 2016-10-17 16:14:04 +02:00
aes_cmac.c mac80211: aes-cmac: switch to shash CMAC driver 2017-02-08 09:19:33 +01:00
aes_cmac.h mac80211: aes-cmac: switch to shash CMAC driver 2017-02-08 09:19:33 +01:00
aes_gcm.c mac80211: move struct aead_req off the stack 2016-10-17 16:14:04 +02:00
aes_gcm.h mac80211: move struct aead_req off the stack 2016-10-17 16:14:04 +02:00
aes_gmac.c mac80211: move struct aead_req off the stack 2016-10-17 16:14:04 +02:00
aes_gmac.h mac80211: move struct aead_req off the stack 2016-10-17 16:14:04 +02:00
agg-rx.c mac80211: fix typo in debug print 2017-02-27 14:09:49 +01:00
agg-tx.c
cfg.c cfg80211: fix NAN bands definition 2017-02-09 15:17:30 +01:00
chan.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2017-01-17 15:19:37 -05:00
debug.h
debugfs_key.c
debugfs_key.h
debugfs_netdev.c mac80211: multicast to unicast conversion 2016-12-13 16:05:11 +01:00
debugfs_netdev.h
debugfs_sta.c mac80211: add back lost debugfs files 2017-02-07 10:40:50 +01:00
debugfs_sta.h
debugfs.c mac80211: check for allocation failure in debugfs code 2017-02-08 10:05:07 +01:00
debugfs.h
driver-ops.c
driver-ops.h
ethtool.c
fils_aead.c Some more updates: 2017-02-10 14:31:51 -05:00
fils_aead.h mac80211: FILS AEAD protection for station mode association frames 2016-10-27 16:03:25 +02:00
ht.c
ibss.c mac80211: fix CSA in IBSS mode 2017-02-09 15:18:24 +01:00
ieee80211_i.h average: change to declare precision, not factor 2017-03-02 08:32:46 +01:00
iface.c mac80211: unconditionally start new netdev queues with iTXQ support 2017-03-29 14:20:40 +02:00
Kconfig mac80211: fils_aead: Use crypto api CMAC shash rather than bare cipher 2017-02-08 09:19:17 +01:00
key.c mac80211: don't call drv_set_default_unicast_key() for VLANs 2016-12-13 15:57:59 +01:00
key.h mac80211: aes-cmac: switch to shash CMAC driver 2017-02-08 09:19:33 +01:00
led.c
led.h
main.c mac80211: initialize SMPS field in HT capabilities 2017-01-13 11:31:26 +01:00
Makefile Makefile: drop -D__CHECK_ENDIAN__ from cflags 2016-12-16 00:13:43 +02:00
mesh_hwmp.c
mesh_pathtbl.c
mesh_plink.c sched/headers: Prepare to use <linux/rcuupdate.h> instead of <linux/rculist.h> in <linux/sched.h> 2017-03-02 08:42:38 +01:00
mesh_ps.c
mesh_sync.c mac80211: Use appropriate name for functions and messages 2016-12-13 16:22:27 +01:00
mesh.c scripts/spelling.txt: add "swith" pattern and fix typo instances 2017-02-27 18:43:46 -08:00
mesh.h mac80211: Use appropriate name for functions and messages 2016-12-13 16:22:27 +01:00
michael.c
michael.h
mlme.c cfg80211: Pass new RSSI level in CQM RSSI notification 2017-02-08 10:43:40 +01:00
ocb.c
offchannel.c mac80211: fix CMD_FRAME for AP_VLAN 2016-10-12 09:19:12 +02:00
pm.c mac80211: flush delayed work when entering suspend 2017-02-27 14:00:26 +01:00
rate.c mac80211: don't try to sleep in rate_control_rate_init() 2017-01-24 16:31:54 +01:00
rate.h
rc80211_minstrel_debugfs.c mac80211: minstrel: store probability variance instead of standard deviation 2016-12-15 11:07:52 +01:00
rc80211_minstrel_ht_debugfs.c mac80211: minstrel: store probability variance instead of standard deviation 2016-12-15 11:07:52 +01:00
rc80211_minstrel_ht.c mac80211: minstrel_ht: remove obsolete #if for >= 3 streams 2016-12-15 11:07:53 +01:00
rc80211_minstrel_ht.h mac80211: minstrel_ht: move supported bitrate mask out of group data 2016-12-15 11:07:52 +01:00
rc80211_minstrel.c mac80211: minstrel: avoid port control frames for sampling 2016-12-15 11:07:53 +01:00
rc80211_minstrel.h mac80211: minstrel: make prob_ewma u16 instead of u32 2016-12-15 11:07:53 +01:00
rx.c mac80211: fix MU-MIMO follow-MAC mode 2017-04-13 14:35:53 +02:00
scan.c mac80211: Remove unused 'len' variable 2016-12-13 16:05:09 +01:00
spectmgmt.c
sta_info.c mac80211: shorten debug message 2017-02-27 14:09:26 +01:00
sta_info.h average: change to declare precision, not factor 2017-03-02 08:32:46 +01:00
status.c First round of fixes - details in the commits: 2017-03-01 15:08:34 -08:00
tdls.c
tkip.c
tkip.h
trace_msg.h
trace.c
trace.h cfg80211: fix NAN bands definition 2017-02-09 15:17:30 +01:00
tx.c mac80211: use helper function to access ieee802_1d_to_ac[] 2017-01-26 09:50:44 +01:00
util.c mac80211: validate new interface's beacon intervals 2016-10-27 09:18:07 +02:00
vht.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2017-01-17 15:19:37 -05:00
wep.c mac80211: Add RX flag to indicate ICV stripped 2017-01-12 10:15:18 +01:00
wep.h
wme.c mac80211: preserve more bits when building QoS header 2016-10-12 14:17:13 +02:00
wme.h
wpa.c mac80211: Add RX flag to indicate ICV stripped 2017-01-12 10:15:18 +01:00
wpa.h