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b4809e9484
linux/net/mac80211
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Toke Høiland-Jørgensen b4809e9484 mac80211: Add airtime accounting and scheduling to TXQs 
This adds airtime accounting and scheduling to the mac80211 TXQ
scheduler. A new callback, ieee80211_sta_register_airtime(), is added
that drivers can call to report airtime usage for stations.

When airtime information is present, mac80211 will schedule TXQs
(through ieee80211_next_txq()) in a way that enforces airtime fairness
between active stations. This scheduling works the same way as the ath9k
in-driver airtime fairness scheduling. If no airtime usage is reported
by the driver, the scheduler will default to round-robin scheduling.

For drivers that don't control TXQ scheduling in software, a new API
function, ieee80211_txq_may_transmit(), is added which the driver can use
to check if the TXQ is eligible for transmission, or should be throttled to
enforce fairness. Calls to this function must also be enclosed in
ieee80211_txq_schedule_{start,end}() calls to ensure proper locking.

The API ieee80211_txq_may_transmit() also ensures that TXQ list will be
aligned aginst driver's own round-robin scheduler list. i.e it rotates
the TXQ list till it makes the requested node becomes the first entry
in TXQ list. Thus both the TXQ list and driver's list are in sync.

Co-developed-by: Rajkumar Manoharan <rmanohar@codeaurora.org>
Signed-off-by: Louie Lu <git@louie.lu>
[added debugfs write op to reset airtime counter]
Signed-off-by: Toke Høiland-Jørgensen <toke@toke.dk>
Signed-off-by: Rajkumar Manoharan <rmanohar@codeaurora.org>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2019-01-19 09:31:43 +01:00
..
aead_api.c mac80211: use crypto_aead_authsize() 2017-10-11 15:46:45 +02:00
aead_api.h mac80211: aead api to reduce redundancy 2017-10-11 09:37:35 +02:00
aes_ccm.h mac80211: aead api to reduce redundancy 2017-10-11 09:37:35 +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.h mac80211: aead api to reduce redundancy 2017-10-11 09:37:35 +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: add support for HE 2018-06-18 22:40:32 +02:00
agg-tx.c mac80211: Add TXQ scheduling API 2019-01-19 09:24:12 +01:00
cfg.c mac80211: Add airtime accounting and scheduling to TXQs 2019-01-19 09:31:43 +01:00
chan.c treewide: kzalloc() -> kcalloc() 2018-06-12 16:19:22 -07:00
debug.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
debugfs_key.c
debugfs_key.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
debugfs_netdev.c {nl,mac}80211: add dot11MeshConnectedToMeshGate to meshconf 2018-11-09 11:39:44 +01:00
debugfs_netdev.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
debugfs_sta.c mac80211: Add airtime accounting and scheduling to TXQs 2019-01-19 09:31:43 +01:00
debugfs_sta.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
debugfs.c mac80211: Add airtime accounting and scheduling to TXQs 2019-01-19 09:31:43 +01:00
debugfs.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
driver-ops.c
driver-ops.h mac80211: Add TXQ scheduling API 2019-01-19 09:24:12 +01:00
ethtool.c mac80211: use BIT_ULL for NL80211_STA_INFO_* attribute types 2018-06-29 09:53:09 +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
he.c mac80211: add support for HE 2018-06-18 22:40:32 +02:00
ht.c ieee80211: bump IEEE80211_MAX_AMPDU_BUF to support HE 2018-06-18 22:39:39 +02:00
ibss.c mac80211: add ability to parse CCFS2 2018-09-05 10:03:14 +02:00
ieee80211_i.h mac80211: Add airtime accounting and scheduling to TXQs 2019-01-19 09:31:43 +01:00
iface.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2018-12-20 11:53:36 -08:00
Kconfig mac80211: rewrite Kconfig text for mesh 2018-12-05 15:32:28 +01:00
key.c mac80211: remove unnecessary NULL check 2018-09-05 10:15:48 +02:00
key.h mac80211: aes-cmac: switch to shash CMAC driver 2017-02-08 09:19:33 +01:00
led.c leds: triggers: let struct led_trigger::activate() return an error code 2018-07-05 23:21:10 +02:00
led.h
main.c mac80211: Add airtime accounting and scheduling to TXQs 2019-01-19 09:31:43 +01:00
Makefile mac80211: minstrel: merge with minstrel_ht, always enable VHT support 2018-10-11 16:01:01 +02:00
mesh_hwmp.c mac80211: fix TX status reporting for ieee80211s 2018-09-10 09:14:28 +02:00
mesh_pathtbl.c rhashtable: Change rhashtable_walk_start to return void 2017-12-11 09:58:38 -05:00
mesh_plink.c {nl,mac}80211: add rssi to mesh candidates 2018-11-09 11:41:20 +01:00
mesh_ps.c networking: make skb_put & friends return void pointers 2017-06-16 11:48:39 -04:00
mesh_sync.c mac80211: Use appropriate name for functions and messages 2016-12-13 16:22:27 +01:00
mesh.c {nl,mac}80211: add rssi to mesh candidates 2018-11-09 11:41:20 +01:00
mesh.h {nl,mac}80211: add rssi to mesh candidates 2018-11-09 11:41:20 +01:00
michael.c mac80211: add get TID helper 2018-02-22 21:13:03 +01:00
michael.h
mlme.c This time we have too many changes to list, highlights: 2018-12-19 08:36:18 -08:00
ocb.c mac80211: Convert timers to use timer_setup() 2017-11-20 16:55:11 +01:00
offchannel.c mac80211: support scan features for improved scan privacy 2018-06-15 13:34:40 +02:00
pm.c License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
rate.c mac80211: Dynamically set CoDel parameters per station 2017-05-17 16:03:40 +02:00
rate.h mac80211: minstrel: merge with minstrel_ht, always enable VHT support 2018-10-11 16:01:01 +02:00
rc80211_minstrel_debugfs.c mac80211: rc80211_minstrel: remove variance / stddev calculation 2018-10-11 16:01:05 +02:00
rc80211_minstrel_ht_debugfs.c mac80211: rc80211_minstrel: remove variance / stddev calculation 2018-10-11 16:01:05 +02:00
rc80211_minstrel_ht.c mac80211: minstrel: do not sample rates 3 times slower than max_prob_rate 2018-10-11 16:01:04 +02:00
rc80211_minstrel_ht.h mac80211: minstrel: reduce minstrel_mcs_groups size 2018-10-11 16:01:02 +02:00
rc80211_minstrel.c mac80211: rc80211_minstrel: remove variance / stddev calculation 2018-10-11 16:01:05 +02:00
rc80211_minstrel.h mac80211: rc80211_minstrel: remove variance / stddev calculation 2018-10-11 16:01:05 +02:00
rx.c This time we have too many changes to list, highlights: 2018-12-19 08:36:18 -08:00
scan.c mac80211: allow hardware scan to fall back to software 2018-11-09 11:37:04 +01:00
spectmgmt.c mac80211: add ability to parse CCFS2 2018-09-05 10:03:14 +02:00
sta_info.c mac80211: Add airtime accounting and scheduling to TXQs 2019-01-19 09:31:43 +01:00
sta_info.h mac80211: Add airtime accounting and scheduling to TXQs 2019-01-19 09:31:43 +01:00
status.c mac80211: Add airtime accounting and scheduling to TXQs 2019-01-19 09:31:43 +01:00
tdls.c mac80211: TDLS: fix skb queue/priority assignment 2018-09-10 09:13:32 +02:00
tkip.c
tkip.h
trace_msg.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
trace.c License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
trace.h mac80211: allow drivers to use peer measurement API 2018-11-09 11:20:34 +01:00
tx.c mac80211: Add airtime accounting and scheduling to TXQs 2019-01-19 09:31:43 +01:00
util.c mac80211: update driver when MU EDCA params change 2018-12-18 14:19:10 +01:00
vht.c mac80211: copy VHT EXT NSS BW Support/Capable data to station 2018-09-05 10:03:14 +02:00
wep.c crypto: drop mask=CRYPTO_ALG_ASYNC from 'cipher' tfm allocations 2018-11-20 14:26:55 +08:00
wep.h
wme.c mac80211: mark expected switch fall-throughs 2017-12-11 12:16:04 +01:00
wme.h
wpa.c mac80211: add get TID helper 2018-02-22 21:13:03 +01:00
wpa.h