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484a54c2e5
linux/net/mac80211
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Toke Høiland-Jørgensen 484a54c2e5 mac80211: Dynamically set CoDel parameters per station 
CoDel can be too aggressive if a station sends at a very low rate,
leading reduced throughput. This gets worse the more stations are
present, as each station gets more bursty the longer the round-robin
scheduling between stations takes.

This adds dynamic adjustment of CoDel parameters per station. It uses
the rate selection information to estimate throughput and sets more
lenient CoDel parameters if the estimated throughput is below a
threshold (modified by the number of active stations).

A new callback is added that drivers can use to notify mac80211 about
changes in expected throughput, so the same adjustment can be made for
cards that implement rate control in firmware. Drivers that don't use
this will just get the default parameters.

Signed-off-by: Toke Høiland-Jørgensen <toke@toke.dk>
[remove currently unnecessary EXPORT_SYMBOL, fix kernel-doc, remove
inline annotation]
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2017-05-17 16:03:40 +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: Use setup_timer instead of init_timer 2017-03-06 13:23:05 +01:00
agg-tx.c mac80211: Use setup_timer instead of init_timer 2017-03-06 13:23:05 +01:00
cfg.c mac80211: Fix possible sband related NULL pointer de-reference 2017-04-28 12:28:44 +02:00
chan.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2017-01-17 15:19:37 -05:00
debug.h mac80211: 802.11p OCB mode support 2014-11-04 13:18:21 +01:00
debugfs_key.c mac80211: move TKIP TX IVs to public part of key struct 2016-02-24 09:04:38 +01:00
debugfs_key.h
debugfs_netdev.c mac80211: multicast to unicast conversion 2016-12-13 16:05:11 +01:00
debugfs_netdev.h mac80211: fix some missing includes 2014-04-09 14:49:43 +02:00
debugfs_sta.c mac80211: Dynamically set CoDel parameters per station 2017-05-17 16:03:40 +02:00
debugfs_sta.h
debugfs.c mac80211: check for allocation failure in debugfs code 2017-02-08 10:05:07 +01:00
debugfs.h mac80211: fix some missing includes 2014-04-09 14:49:43 +02:00
driver-ops.c mac80211: add offset_tsf driver op and use it for mesh 2016-09-30 13:45:44 +02:00
driver-ops.h mac80211: add offset_tsf driver op and use it for mesh 2016-09-30 13:45:44 +02:00
ethtool.c mac80211: move station statistics into sub-structs 2015-10-21 10:08:22 +02:00
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 mac80211: limit the A-MSDU Tx based on peer's capabilities 2016-02-24 09:04:20 +01:00
ibss.c mac80211: fix IBSS presp allocation size 2017-05-08 11:25:04 +02:00
ieee80211_i.h mac80211: Add support for BSS max idle period element 2017-04-28 12:28:45 +02:00
iface.c My last pull request has been a while, we now have: 2017-04-20 13:54:40 -04:00
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 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: disentangle iflist_mtx and chanctx_mtx 2017-04-26 23:17:44 +02:00
Makefile Makefile: drop -D__CHECK_ENDIAN__ from cflags 2016-12-16 00:13:43 +02:00
mesh_hwmp.c mac80211: fix mesh fail_avg check 2017-03-06 09:21:46 +01:00
mesh_pathtbl.c mac80211: Use setup_timer instead of init_timer for mesh path 2017-03-16 10:54:04 +01:00
mesh_plink.c mac80211: Fix possible sband related NULL pointer de-reference 2017-04-28 12:28:44 +02:00
mesh_ps.c mac80211: mesh: separate plid and aid concepts 2015-07-17 15:47:11 +02:00
mesh_sync.c mac80211: Use appropriate name for functions and messages 2016-12-13 16:22:27 +01:00
mesh.c mac80211: Fix possible sband related NULL pointer de-reference 2017-04-28 12:28:44 +02:00
mesh.h mac80211: Use appropriate name for functions and messages 2016-12-13 16:22:27 +01:00
michael.c
michael.h mac80211: fix some missing includes 2014-04-09 14:49:43 +02:00
mlme.c mac80211: bail out from prep_connection() if a reconfig is ongoing 2017-05-08 11:23:50 +02:00
ocb.c mac80211: remove rx_stats.last_rx update after sta alloc 2016-04-06 13:18:15 +02:00
offchannel.c mac80211: fix CMD_FRAME for AP_VLAN 2016-10-12 09:19:12 +02:00
pm.c cfg80211: add request id to cfg80211_sched_scan_*() api 2017-04-28 14:51:43 +02:00
rate.c mac80211: Dynamically set CoDel parameters per station 2017-05-17 16:03:40 +02:00
rate.h mac80211: make rate control tx status API more extensible 2017-04-28 10:57:33 +02:00
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: make rate control tx status API more extensible 2017-04-28 10:57:33 +02:00
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: make rate control tx status API more extensible 2017-04-28 10:57:33 +02:00
rc80211_minstrel.h mac80211: minstrel: make prob_ewma u16 instead of u32 2016-12-15 11:07:53 +01:00
rx.c mac80211: rename ieee80211_rx_status::vht_nss to just nss 2017-04-28 10:41:53 +02:00
scan.c cfg80211: add request id to cfg80211_sched_scan_*() api 2017-04-28 14:51:43 +02:00
spectmgmt.c ieee80211: rename CCFS1/CCFS2 to CCFS0/CCFS1 2017-03-06 09:21:43 +01:00
sta_info.c mac80211: Dynamically set CoDel parameters per station 2017-05-17 16:03:40 +02:00
sta_info.h mac80211: Dynamically set CoDel parameters per station 2017-05-17 16:03:40 +02:00
status.c mac80211: add ieee80211_tx_status_ext 2017-04-28 11:08:21 +02:00
tdls.c mac80211: Fix possible sband related NULL pointer de-reference 2017-04-28 12:28:44 +02:00
tkip.c mac80211: move TKIP TX IVs to public part of key struct 2016-02-24 09:04:38 +01:00
tkip.h mac80211: move TKIP TX IVs to public part of key struct 2016-02-24 09:04:38 +01:00
trace_msg.h mac80211: Move message tracepoints to their own header 2015-04-07 12:32:09 -04:00
trace.c mac80211: Move message tracepoints to their own header 2015-04-07 12:32:09 -04:00
trace.h cfg80211: fix NAN bands definition 2017-02-09 15:17:30 +01:00
tx.c mac80211: Dynamically set CoDel parameters per station 2017-05-17 16:03:40 +02:00
util.c cfg80211: add request id to cfg80211_sched_scan_*() api 2017-04-28 14:51:43 +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 mac80211: add WMM admission control support 2014-10-22 10:42:09 +02:00
wpa.c mac80211: Add RX flag to indicate ICV stripped 2017-01-12 10:15:18 +01:00
wpa.h mac80111: Add BIP-GMAC-128 and BIP-GMAC-256 ciphers 2015-01-27 11:10:13 +01:00