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b23b025fe2
linux/net/mac80211
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Ben Greear b23b025fe2 mac80211: Optimize scans on current operating channel. 
This should decrease un-necessary flushes, on/off channel work,
and channel changes in cases where the only scanned channel is
the current operating channel.

* Removes SCAN_OFF_CHANNEL flag, uses SDATA_STATE_OFFCHANNEL
  and is-scanning flags instead.

* Add helper method to determine if we are currently configured
  for the operating channel.

* Do no blindly go off/on channel in work.c  Instead, only call
  appropriate on/off code when we really need to change channels.
  Always enable offchannel-ps mode when starting work,
  and disable it when we are done.

* Consolidate ieee80211_offchannel_stop_station and
  ieee80211_offchannel_stop_beaconing, call it
  ieee80211_offchannel_stop_vifs instead.

* Accept non-beacon frames when scanning on operating channel.

* Scan state machine optimized to minimize on/off channel
  transitions.  Also, when going on-channel, go ahead and
  re-enable beaconing.  We're going to be there for 200ms,
  so seems like some useful beaconing could happen.
  Always enable offchannel-ps mode when starting software
  scan, and disable it when we are done.

* Grab local->mtx earlier in __ieee80211_scan_completed_finish
  so that we are protected when calling hw_config(), etc.

* Pass probe-responses up the stack if scanning on local
  channel, so that mlme can take a look.

Signed-off-by: Ben Greear <greearb@candelatech.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-02-04 16:30:32 -05:00
..
aes_ccm.c mac80211: Remove redundant checks for NULL before calls to crypto_free_cipher() 2010-11-15 13:26:11 -05:00
aes_ccm.h
aes_cmac.c mac80211: Remove redundant checks for NULL before calls to crypto_free_cipher() 2010-11-15 13:26:11 -05:00
aes_cmac.h
agg-rx.c Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-2.6 2011-01-28 16:23:14 -05:00
agg-tx.c mac80211: allow advertising correct maximum aggregate size 2011-01-19 11:36:12 -05:00
cfg.c mac80211: allow GO to scan like AP 2011-02-03 16:44:44 -05:00
cfg.h
chan.c cfg80211/mac80211: use lockdep_assert_held 2010-09-16 15:46:00 -04:00
debugfs_key.c mac80211: support separate default keys 2010-12-13 15:23:29 -05:00
debugfs_key.h mac80211: support separate default keys 2010-12-13 15:23:29 -05:00
debugfs_netdev.c mac80211: Add testing functionality for TKIP 2011-02-03 16:45:29 -05:00
debugfs_netdev.h mac80211: reduce reliance on netdev 2009-12-21 18:38:52 -05:00
debugfs_sta.c mac80211: Add timeout to BA session start API 2010-12-15 17:03:59 -05:00
debugfs_sta.h
debugfs.c mac80211: refactor debugfs function generation code 2010-11-15 13:24:48 -05:00
debugfs.h mac80211: refactor debugfs function generation code 2010-11-15 13:24:48 -05:00
driver-ops.h mac80211: track receiver's aggregation reorder buffer size 2011-01-19 11:36:11 -05:00
driver-trace.c
driver-trace.h mac80211: use DECLARE_EVENT_CLASS 2011-01-26 16:15:45 -05:00
event.c
ht.c mac80211: fix SMPS request 2010-10-13 15:45:23 -04:00
ibss.c cfg80211: Extend channel to frequency mapping for 802.11j 2011-01-21 15:34:17 -05:00
ieee80211_i.h mac80211: Optimize scans on current operating channel. 2011-02-04 16:30:32 -05:00
iface.c mac80211: Recalculate channel-type on iface removal. 2011-02-03 16:44:43 -05:00
Kconfig Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6 2010-12-26 22:37:05 -08:00
key.c Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-2.6 2011-01-05 14:35:41 -05:00
key.h mac80211: support separate default keys 2010-12-13 15:23:29 -05:00
led.c mac80211: remove stray extern 2011-01-05 16:07:12 -05:00
led.h mac80211: selective throughput LED trigger active 2010-12-22 14:33:37 -05:00
main.c mac80211: Optimize scans on current operating channel. 2011-02-04 16:30:32 -05:00
Makefile mac80211: add the minstrel_ht rate control algorithm 2010-06-02 16:12:59 -04:00
mesh_hwmp.c nl80211/mac80211: define and allow configuring mesh element TTL 2010-12-06 16:01:28 -05:00
mesh_pathtbl.c nl80211/mac80211: define and allow configuring mesh element TTL 2010-12-06 16:01:28 -05:00
mesh_plink.c mac80211: Let userspace enable and configure vendor specific path selection. 2010-12-20 14:46:57 -05:00
mesh.c cfg80211: Extend channel to frequency mapping for 802.11j 2011-01-21 15:34:17 -05:00
mesh.h mac80211: Remove unused third address from mesh address extension header. 2010-12-20 14:49:47 -05:00
michael.c
michael.h
mlme.c mac80211: Warn users if HT fails because of freq mismatch. 2011-02-03 16:42:44 -05:00
offchannel.c mac80211: Optimize scans on current operating channel. 2011-02-04 16:30:32 -05:00
pm.c mac80211: assure we also cancel deferred scan request 2010-10-06 16:30:42 -04:00
rate.c cfg80211/mac80211: improve ad-hoc multicast rate handling 2010-11-24 16:19:35 -05:00
rate.h mac80211: add the minstrel_ht rate control algorithm 2010-06-02 16:12:59 -04:00
rc80211_minstrel_debugfs.c llseek: automatically add .llseek fop 2010-10-15 15:53:27 +02:00
rc80211_minstrel_ht_debugfs.c mac80211: disallow seeks in minstrel debug code 2010-09-16 10:33:17 +02:00
rc80211_minstrel_ht.c mac80211: Add timeout to BA session start API 2010-12-15 17:03:59 -05:00
rc80211_minstrel_ht.h minstrel_ht: move minstrel_mcs_groups declaration to header file 2010-06-24 15:42:18 -04:00
rc80211_minstrel.c minstrel: don't complain about feedback for unrequested rates 2010-07-26 15:09:04 -04:00
rc80211_minstrel.h minstrel: make the rate control ops reusable from another rc implementation 2010-03-10 17:44:23 -05:00
rc80211_pid_algo.c include cleanup: Update gfp.h and slab.h includes to prepare for breaking implicit slab.h inclusion from percpu.h 2010-03-30 22:02:32 +09:00
rc80211_pid_debugfs.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next-2.6 2010-10-23 11:47:02 -07:00
rc80211_pid.h
rx.c mac80211: Optimize scans on current operating channel. 2011-02-04 16:30:32 -05:00
scan.c mac80211: Optimize scans on current operating channel. 2011-02-04 16:30:32 -05:00
spectmgmt.c mac80211: reduce reliance on netdev 2009-12-21 18:38:52 -05:00
sta_info.c mac80211: add HW flag for disabling auto link-PS in AP mode 2011-02-03 16:44:44 -05:00
sta_info.h mac80211: track receiver's aggregation reorder buffer size 2011-01-19 11:36:11 -05:00
status.c mac80211: add HW flag for disabling auto link-PS in AP mode 2011-02-03 16:44:44 -05:00
tkip.c mac80211: remove wep dependency 2010-07-08 16:35:50 -04:00
tkip.h mac80211: remove wep dependency 2010-07-08 16:35:50 -04:00
tx.c mac80211: Optimize scans on current operating channel. 2011-02-04 16:30:32 -05:00
util.c mac80211: selective throughput LED trigger active 2010-12-22 14:33:37 -05:00
wep.c mac80211: don't kmalloc 16 bytes 2010-10-11 15:04:23 -04:00
wep.h mac80211: remove wep dependency 2010-07-08 16:35:50 -04:00
wme.c mac80211: cleanup select_queue 2010-12-22 15:44:22 -05:00
wme.h mac80211: fix skb buffering issue 2010-01-05 16:21:40 -05:00
work.c mac80211: Optimize scans on current operating channel. 2011-02-04 16:30:32 -05:00
wpa.c mac80211: Add testing functionality for TKIP 2011-02-03 16:45:29 -05:00
wpa.h