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4fe40b8e15
linux/net/mac80211
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Felix Fietkau 4fe40b8e15 mac80211: minstrel: remove deferred sampling code 
Deferring sampling attempts to the second stage has some bad interactions
with drivers that process the rate table in hardware and use the probe flag
to indicate probing packets (e.g. most mt76 drivers). On affected drivers
it can lead to probing not working at all.

If the link conditions turn worse, it might not be such a good idea to
do a lot of sampling for lower rates in this case.

Fix this by simply skipping the sample attempt instead of deferring it,
but keep the checks that would allow it to be sampled if it was skipped
too often, but only if it has less than 95% success probability.

Also ensure that IEEE80211_TX_CTL_RATE_CTRL_PROBE is set for all probing
packets.

Cc: stable@vger.kernel.org
Fixes: cccf129f82 ("mac80211: add the 'minstrel' rate control algorithm")
Signed-off-by: Felix Fietkau <nbd@nbd.name>
Link: https://lore.kernel.org/r/20201111183359.43528-2-nbd@nbd.name
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2020-11-12 11:24:43 +01:00
..
aead_api.c mm, treewide: rename kzfree() to kfree_sensitive() 2020-08-07 11:33:22 -07:00
aead_api.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
aes_ccm.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
aes_cmac.c mac80211: Update BIP to support Beacon frames 2020-02-24 10:36:03 +01:00
aes_cmac.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
aes_gcm.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
aes_gmac.c mm, treewide: rename kzfree() to kfree_sensitive() 2020-08-07 11:33:22 -07:00
aes_gmac.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
agg-rx.c net: mac80211: agg-rx.c: fix duplicated words 2020-08-27 11:23:08 +02:00
agg-tx.c mac80211: accept aggregation sessions on 6 GHz 2020-05-31 11:27:16 +02:00
airtime.c mac80211: add AQL support for VHT160 tx rates 2020-09-18 11:36:03 +02:00
cfg.c mac80211: copy configured beacon tx rate to driver 2020-10-08 12:26:35 +02:00
chan.c mac80211: get correct default channel width for S1G 2020-09-28 13:53:05 +02:00
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 mac80211: Support BIGTK configuration for Beacon protection 2020-02-24 10:35:57 +01:00
debugfs_key.h mac80211: Support BIGTK configuration for Beacon protection 2020-02-24 10:35:57 +01:00
debugfs_netdev.c cfg80211/mac80211: add connected to auth server to meshconf 2020-07-31 09:24:24 +02:00
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 Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2020-03-29 21:25:29 -07:00
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: rework tx encapsulation offload API 2020-09-18 12:02:57 +02:00
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 mac80211: don't warn about CW params when not using them 2019-07-20 21:40:32 +02:00
driver-ops.h mac80211: notify the driver when a sta uses 4-address mode 2020-09-18 12:16:16 +02:00
ethtool.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 432 2019-06-05 17:37:16 +02:00
fils_aead.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
fils_aead.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
he.c mac80211: use HE 6 GHz band capability and pass it to the driver 2020-05-31 11:27:03 +02:00
ht.c mac80211: Use fallthrough pseudo-keyword 2020-07-31 09:24:23 +02:00
ibss.c mac80211: support S1G association 2020-09-28 14:09:07 +02:00
ieee80211_i.h mac80211: initialize last_rate for S1G STAs 2020-10-08 10:40:57 +02:00
iface.c mac80211: use new function dev_fetch_sw_netstats 2020-10-13 17:33:49 -07:00
Kconfig treewide: replace '---help---' in Kconfig files with 'help' 2020-06-14 01:57:21 +09:00
key.c mac80211: rework tx encapsulation offload API 2020-09-18 12:02:57 +02:00
key.h mac80211: Support BIGTK configuration for Beacon protection 2020-02-24 10:35:57 +01:00
led.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
led.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
main.c mac80211: rename csa counters to countdown counters 2020-08-27 14:12:15 +02:00
Makefile mac80211: initialize last_rate for S1G STAs 2020-10-08 10:40:57 +02:00
mesh_hwmp.c mac80211: swap NEED_TXPROCESSING and HW_80211_ENCAP tx flags 2020-09-18 12:13:06 +02:00
mesh_pathtbl.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2020-08-02 01:02:12 -07:00
mesh_plink.c mac80211: fix some more kernel-doc in mesh 2020-09-28 14:36:53 +02:00
mesh_ps.c mac80211: fix some more kernel-doc in mesh 2020-09-28 14:36:53 +02:00
mesh_sync.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
mesh.c mac80211: rename csa counters to countdown counters 2020-08-27 14:12:15 +02:00
mesh.h mac80211: add HE 6 GHz Band Capability element 2020-05-31 11:26:39 +02:00
michael.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
michael.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
mlme.c mac80211: don't require VHT elements for HE on 2.4 GHz 2020-10-30 10:22:42 +01:00
ocb.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
offchannel.c mac80211: Inform AP when returning operating channel 2020-09-28 13:18:53 +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: initialize last_rate for S1G STAs 2020-10-08 10:40:57 +02:00
rate.h mac80211: populate debugfs only after cfg80211 init 2020-04-24 11:30:13 +02:00
rc80211_minstrel_debugfs.c mac80211: minstrel_ht: rename prob_ewma to prob_avg, use it for the new average 2019-10-11 10:31:45 +02:00
rc80211_minstrel_ht_debugfs.c mac80211: minstrel_ht: rename prob_ewma to prob_avg, use it for the new average 2019-10-11 10:31:45 +02:00
rc80211_minstrel_ht.c One batch of changes, containing: 2020-05-26 20:17:35 -07:00
rc80211_minstrel_ht.h mac80211: minstrel_ht: rename prob_ewma to prob_avg, use it for the new average 2019-10-11 10:31:45 +02:00
rc80211_minstrel.c mac80211: minstrel: remove deferred sampling code 2020-11-12 11:24:43 +01:00
rc80211_minstrel.h mac80211: minstrel: remove deferred sampling code 2020-11-12 11:24:43 +01:00
rx.c mac80211: receive and process S1G beacons 2020-09-28 14:01:00 +02:00
s1g.c mac80211: initialize last_rate for S1G STAs 2020-10-08 10:40:57 +02:00
scan.c mac80211: convert S1G beacon to scan results 2020-09-28 13:53:25 +02:00
spectmgmt.c mac80211: avoid using ext NSS high BW if not supported 2020-05-31 11:26:50 +02:00
sta_info.c mac80211: always wind down STA state 2020-10-30 10:05:12 +01:00
sta_info.h mac80211: fix kernel-doc markups 2020-10-30 10:06:09 +01:00
status.c mac80211: fix memory leak on filtered powersave frames 2020-11-12 11:23:58 +01:00
tdls.c mac80211: Use fallthrough pseudo-keyword 2020-07-31 09:24:23 +02:00
tkip.c mac80211: Fix TKIP replay protection immediately after key setup 2020-01-15 09:52:12 +01:00
tkip.h Merge branch 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6 2019-07-08 20:57:08 -07:00
trace_msg.h mac80211: Increase MAX_MSG_LEN 2019-03-29 11:20:36 +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: notify the driver when a sta uses 4-address mode 2020-09-18 12:16:16 +02:00
tx.c mac80211: fix use of skb payload instead of header 2020-10-30 10:03:48 +01:00
util.c mac80211: Support not iterating over not-sdata-in-driver ifaces 2020-09-28 15:05:53 +02:00
vht.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2020-09-22 16:45:34 -07:00
wep.c mac80211: make ieee80211_wep_init() return void 2020-02-07 12:40:34 +01:00
wep.h mac80211: make ieee80211_wep_init() return void 2020-02-07 12:40:34 +01:00
wme.c mac80211: Use fallthrough pseudo-keyword 2020-07-31 09:24:23 +02:00
wme.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
wpa.c mac80211: add IEEE80211_KEY_FLAG_GENERATE_MMIE to ieee80211_key_flags 2019-07-26 16:14:12 +02:00
wpa.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00