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android_kernel_motorola_sm6375/net/mac80211
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Filename Latest commit message Latest commit date
Karl Beldan 11b2357d5d mac80211: minstrels: fix buffer overflow in HT debugfs rc_stats 
ATM an HT rc_stats line is 106 chars.
Times 8(MCS_GROUP_RATES)*3(SS)*2(GI)*2(BW) + CCK(4), i.e. x100, this is
well above the current 8192 - sizeof(*ms) currently allocated.

Fix this by squeezing the output as follows (not that we're short on
memory but this also improves readability and range, the new format adds
one more digit to *ok/*cum and ok/cum):

- Before (HT) (106 ch):
type           rate     throughput  ewma prob   this prob  retry   this succ/attempt   success    attempts
CCK/LP          5.5M           0.0        0.0         0.0      0              0(  0)         0           0
HT20/LGI ABCDP MCS0            0.0        0.0         0.0      1              0(  0)         0           0
- After (75 ch):
type           rate     tpt eprob *prob ret  *ok(*cum)        ok(      cum)
CCK/LP          5.5M    0.0   0.0   0.0   0    0(   0)         0(        0)
HT20/LGI ABCDP MCS0     0.0   0.0   0.0   1    0(   0)         0(        0)

- Align non-HT format Before (non-HT) (83 ch):
rate      throughput  ewma prob  this prob  this succ/attempt   success    attempts
ABCDP  6         0.0        0.0        0.0             0(  0)         0           0
      54         0.0        0.0        0.0             0(  0)         0           0
- After (61 ch):
rate          tpt eprob *prob  *ok(*cum)        ok(      cum)
ABCDP  1      0.0   0.0   0.0    0(   0)         0(        0)
      54      0.0   0.0   0.0    0(   0)         0(        0)

*This also adds dynamic checks for overflow, lowers the size of the
non-HT request (allowing > 30 entries) and replaces the buddy-rounded
allocations (s/sizeof(*ms) + 8192/8192).

Signed-off-by: Karl Beldan <[email protected]>
Acked-by: Felix Fietkau <[email protected]>
Signed-off-by: Johannes Berg <[email protected]>
2014-10-20 16:37:01 +02:00
..
aes_ccm.c mac80211: remove VLAIS usage from mac80211 2014-04-09 10:55:27 +02:00
aes_ccm.h
aes_cmac.c
aes_cmac.h
agg-rx.c mac80211: fix offloaded BA session traffic after hw restart 2014-09-03 13:40:38 +02:00
agg-tx.c mac80211: introduce refcount for queue_stop_reasons 2014-06-23 14:22:25 +02:00
cfg.c mac80211: return the vif's chandef in ieee80211_cfg_get_channel() 2014-10-09 11:01:58 +02:00
cfg.h mac80211: make cfg80211 ops and privid const 2014-02-04 21:48:21 +01:00
chan.c Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless 2014-09-08 11:14:56 -04:00
debug.h
debugfs.c mac80211: replace SMPS hw flags with wiphy feature bits 2014-09-11 13:37:02 +02:00
debugfs.h mac80211: fix some missing includes 2014-04-09 14:49:43 +02:00
debugfs_key.c
debugfs_key.h
debugfs_netdev.c mac80211: replace SMPS hw flags with wiphy feature bits 2014-09-11 13:37:02 +02:00
debugfs_netdev.h mac80211: fix some missing includes 2014-04-09 14:49:43 +02:00
debugfs_sta.c This time, I have some rate minstrel improvements, support for a very 2014-09-15 14:51:23 -04:00
debugfs_sta.h
driver-ops.h mac80211: extend set_coverage_class signature 2014-09-05 13:54:07 +02:00
ethtool.c cfg80211: make ethtool the driver's responsibility 2014-06-23 11:05:33 +02:00
event.c
ht.c mac80211: set Rx highest rate in ht_cap 2014-07-21 12:14:04 +02:00
ibss.c mac80211: add Intel Mobile Communications copyright 2014-09-05 13:52:06 +02:00
ieee80211_i.h mac80211: support DTPC IE (from Cisco Client eXtensions) 2014-09-08 10:52:00 +02:00
iface.c mac80211: add Intel Mobile Communications copyright 2014-09-05 13:52:06 +02:00
Kconfig mac80211: remove PID rate control 2014-06-23 11:05:23 +02:00
key.c mac80211: clear key material when freeing keys 2014-09-11 12:07:23 +02:00
key.h
led.c
led.h
main.c mac80211: add Intel Mobile Communications copyright 2014-09-05 13:52:06 +02:00
Makefile cfg80211: make ethtool the driver's responsibility 2014-06-23 11:05:33 +02:00
mesh.c mac80211: move csa counters from sdata to beacon/presp 2014-06-23 14:22:06 +02:00
mesh.h
mesh_hwmp.c mac80211: remove unnecessary break after return 2014-07-15 16:27:00 -07:00
mesh_pathtbl.c mac80211: Replace rcu_dereference() with rcu_access_pointer() 2014-08-27 12:14:10 +02:00
mesh_plink.c Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless 2014-09-08 11:14:56 -04:00
mesh_ps.c mac80211: clear sequence/fragment number in QoS-null frames 2014-03-05 15:49:54 +01:00
mesh_sync.c mac80211: remove BUG_ON usage 2014-04-29 17:59:27 +02:00
michael.c
michael.h mac80211: fix some missing includes 2014-04-09 14:49:43 +02:00
mlme.c This time, I have some rate minstrel improvements, support for a very 2014-09-15 14:51:23 -04:00
offchannel.c mac80211: introduce refcount for queue_stop_reasons 2014-06-23 14:22:25 +02:00
pm.c mac80211: introduce refcount for queue_stop_reasons 2014-06-23 14:22:25 +02:00
rate.c mac80211: fix typo in starting baserate for rts_cts_rate_idx 2014-10-14 11:16:16 +02:00
rate.h mac80211: remove PID rate control 2014-06-23 11:05:23 +02:00
rc80211_minstrel.c mac80211: Unify rate statistic variables between Minstrel & Minstrel_HT 2014-09-11 12:08:31 +02:00
rc80211_minstrel.h mac80211: Unify rate statistic variables between Minstrel & Minstrel_HT 2014-09-11 12:08:31 +02:00
rc80211_minstrel_debugfs.c mac80211: minstrels: fix buffer overflow in HT debugfs rc_stats 2014-10-20 16:37:01 +02:00
rc80211_minstrel_ht.c mac80211: improve minstrel_ht rate sorting by throughput & probability 2014-09-11 12:10:14 +02:00
rc80211_minstrel_ht.h mac80211: improve minstrel_ht rate sorting by throughput & probability 2014-09-11 12:10:14 +02:00
rc80211_minstrel_ht_debugfs.c mac80211: minstrels: fix buffer overflow in HT debugfs rc_stats 2014-10-20 16:37:01 +02:00
rx.c mac80211: add Intel Mobile Communications copyright 2014-09-05 13:52:06 +02:00
scan.c mac80211: add Intel Mobile Communications copyright 2014-09-05 13:52:06 +02:00
spectmgmt.c
sta_info.c Merge tag 'master-2014-09-16' of git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-next 2014-09-26 15:39:24 -04:00
sta_info.h mac80211: fix warning on htmldocs for last_tdls_pkt_time 2014-10-09 10:33:29 +02:00
status.c mac80211: add TDLS connection timeout 2014-09-11 12:18:47 +02:00
tdls.c mac80211: set network header in TDLS frames 2014-09-11 12:25:22 +02:00
tkip.c
tkip.h
trace.c
trace.h mac80211: extend set_coverage_class signature 2014-09-05 13:54:07 +02:00
tx.c Merge tag 'master-2014-09-16' of git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-next 2014-09-26 15:39:24 -04:00
util.c mac80211: support DTPC IE (from Cisco Client eXtensions) 2014-09-08 10:52:00 +02:00
vht.c mac80211: disable VHT for TDLS 2014-07-21 12:14:04 +02:00
wep.c mac80211: remove weak WEP IV accounting 2014-06-23 11:05:31 +02:00
wep.h
wme.c mac80211: add Intel Mobile Communications copyright 2014-09-05 13:52:06 +02:00
wme.h
wpa.c mac80211: annotate MMIC head/tailroom warning 2014-09-08 11:22:42 +02:00
wpa.h