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Eliad Peller 21f659bf1f mac80211: add min required channel definition field 
Add a new field to ieee80211_chanctx_conf to indicate
the min required channel configuration.

Tuning to a narrower channel might help reducing
the noise level and saving some power.

The min required channel definition is the max of
all min required channel definitions of the interfaces
bound to this channel context.

In AP mode, use 20MHz when there are no connected station.
When a new station is added/removed, calculate the new max
bandwidth supported by any of the stations (e.g. 80MHz when
80MHz and 40MHz stations are connected).

In other cases, simply use bss_conf.chandef as the
min required chandef.

Notify drivers about changes to this field by calling
drv_change_chanctx with a new CHANGE_MIN_WIDTH notification.

Signed-off-by: Eliad Peller <eliad@wizery.com>
Reviewed-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
 		2013-11-25 20:52:05 +01:00
..
Kconfig mac80211: process the CSA frame for mesh accordingly 2013-10-28 15:05:28 +01:00
Makefile mac80211: mesh power save basics 2013-02-04 18:57:47 +01:00
aes_ccm.c mac80211: port CCMP to cryptoapi's CCM driver 2013-10-11 15:38:20 +02:00
aes_ccm.h mac80211: port CCMP to cryptoapi's CCM driver 2013-10-11 15:38:20 +02:00
aes_cmac.c mac80211: include export.h in aes_cmac 2012-11-07 18:01:54 +01:00
aes_cmac.h mac80211: fix CMAC races 2011-07-08 11:11:20 -04:00
agg-rx.c mac80211: improve aggregation debug messages 2013-01-18 21:55:15 +01:00
agg-tx.c mac80211: fix aggregation state with current drivers 2013-01-24 15:43:51 +01:00
cfg.c mac80211: move csa_chandef to sdata 2013-11-25 20:51:58 +01:00
cfg.h
…
chan.c mac80211: add min required channel definition field 2013-11-25 20:52:05 +01:00
debug.h mac80211: process the CSA frame for mesh accordingly 2013-10-28 15:05:28 +01:00
debugfs.c mac80211: fix some snprintf misuses 2013-10-01 12:16:51 +02:00
debugfs.h mac80211: use __printf attribute in debugfs 2012-10-18 09:01:57 +02:00
debugfs_key.c mac80211: move sdata debugfs dir to vif 2013-03-18 20:10:04 +01:00
debugfs_key.h mac80211: support separate default keys 2010-12-13 15:23:29 -05:00
debugfs_netdev.c mac80211: implement SMPS for AP 2013-10-28 15:05:11 +01:00
debugfs_netdev.h
…
debugfs_sta.c mac80211: add debugfs for driver-buffered TID bitmap 2013-08-01 15:08:24 +02:00
debugfs_sta.h
…
driver-ops.h mac80211: add explicit IBSS driver operations 2013-10-01 12:17:45 +02:00
event.c
…
ht.c mac80211: implement SMPS for AP 2013-10-28 15:05:11 +01:00
ibss.c mac80211: move csa_chandef to sdata 2013-11-25 20:51:58 +01:00
ieee80211_i.h mac80211: add min required channel definition field 2013-11-25 20:52:05 +01:00
iface.c mac80211: add generic cipher scheme support 2013-11-25 20:50:52 +01:00
key.c mac80211: add generic cipher scheme support 2013-11-25 20:50:52 +01:00
key.h mac80211: add generic cipher scheme support 2013-11-25 20:50:52 +01:00
led.c mac80211: use oneshot blink API for LED triggers 2013-08-01 10:48:49 +02:00
led.h mac80211: use oneshot blink API for LED triggers 2013-08-01 10:48:49 +02:00
main.c mac80211: add generic cipher scheme support 2013-11-25 20:50:52 +01:00
mesh.c mac80211: move csa_chandef to sdata 2013-11-25 20:51:58 +01:00
mesh.h mac80211: use put_unaligned_le in mesh when necessary 2013-11-25 20:51:55 +01:00
mesh_hwmp.c mac80211: use put_unaligned_le in mesh when necessary 2013-11-25 20:51:55 +01:00
mesh_pathtbl.c mac80211: use put_unaligned_le in mesh when necessary 2013-11-25 20:51:55 +01:00
mesh_plink.c mac80211: use put_unaligned_le16 in mesh_plink_frame_tx 2013-11-25 20:51:53 +01:00
mesh_ps.c mac80211: use put_unaligned_le16 in mesh_plink_frame_tx 2013-11-25 20:51:53 +01:00
mesh_sync.c mac80211: clean up mesh code 2013-02-15 15:46:37 +01:00
michael.c
…
michael.h
…
mlme.c mac80211: move csa_chandef to sdata 2013-11-25 20:51:58 +01:00
offchannel.c mac80211: Run deferred scan if last roc_list item is not started 2013-09-30 12:36:56 +02:00
pm.c mac80211: fix monitor interface suspend crash regression 2013-07-23 14:02:08 +02:00
rate.c mac80211: respect rate mask in TX 2013-10-15 15:16:29 +02:00
rate.h mac80211/rc80211: add chandef to rate initialization 2013-07-16 09:58:02 +03:00
rc80211_minstrel.c mac80211: add fixed_rate management to minstrel rc 2013-09-26 13:27:12 +02:00
rc80211_minstrel.h mac80211/minstrel: use the new rate control API 2013-04-22 16:16:41 +02:00
rc80211_minstrel_debugfs.c mac80211: cosmetics for minstrel_debugfs 2013-04-17 17:08:23 +02:00
rc80211_minstrel_ht.c mac80211: do not override fixed_rate_idx in minstrel_ht_update_stats 2013-09-26 13:27:12 +02:00
rc80211_minstrel_ht.h mac80211/minstrel_ht: use the new rate control API 2013-04-22 16:16:41 +02:00
rc80211_minstrel_ht_debugfs.c mac80211/minstrel_ht: add support for using CCK rates 2013-02-13 10:56:33 +01:00
rc80211_pid.h Fix common misspellings 2011-03-31 11:26:23 -03:00
rc80211_pid_algo.c mac80211/rc80211: add chandef to rate initialization 2013-07-16 09:58:02 +03:00
rc80211_pid_debugfs.c mac80211: fix some snprintf misuses 2013-10-01 12:16:51 +02:00
rx.c mac80211: use put_unaligned_le in mesh when necessary 2013-11-25 20:51:55 +01:00
scan.c cfg80211: consolidate passive-scan and no-ibss flags 2013-11-25 20:49:35 +01:00
spectmgmt.c mac80211: process mesh channel switching using beacon 2013-10-28 15:05:30 +01:00
sta_info.c mac80211: add min required channel definition field 2013-11-25 20:52:05 +01:00
sta_info.h mac80211: use put_unaligned_le16 in mesh_plink_frame_tx 2013-11-25 20:51:53 +01:00
status.c Merge branch 'for-john' of git://git.kernel.org/pub/scm/linux/kernel/git/jberg/mac80211-next 2013-11-05 15:49:02 -05:00
tkip.c mac80211: use just spin_lock() in ieee80211_get_tkip_p2k() 2013-05-16 22:38:06 +02:00
tkip.h mac80211: fix TKIP races, make API easier to use 2011-07-08 11:11:19 -04:00
trace.c mac80211: trace debug messages 2012-06-24 11:33:18 +02:00
trace.h mac80211: add min required channel definition field 2013-11-25 20:52:05 +01:00
tx.c mac80211: add generic cipher scheme support 2013-11-25 20:50:52 +01:00
util.c mac80211: add min required channel definition field 2013-11-25 20:52:05 +01:00
vht.c mac80211: enable easier manipulation of VHT beamforming caps 2013-11-25 20:52:01 +01:00
wep.c wireless: move crypto constants to ieee80211.h 2013-05-16 22:39:41 +02:00
wep.h mac80211: move RX WEP weak IV counting 2012-03-13 14:54:16 -04:00
wme.c mac80211: mesh power save basics 2013-02-04 18:57:47 +01:00
wme.h mac80211: save wmm_acm per sdata 2012-06-20 17:35:22 +02:00
wpa.c mac80211: add generic cipher scheme support 2013-11-25 20:50:52 +01:00
wpa.h mac80211: add generic cipher scheme support 2013-11-25 20:50:52 +01:00