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alistair23-linux/net/mac80211
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Rakesh Pillai 83e37e0bdd mac80211: Restore vif beacon interval if start ap fails 
The starting of AP interface can fail due to invalid
beacon interval, which does not match the minimum gcd
requirement set by the wifi driver. In such case, the
beacon interval of that interface gets updated with
that invalid beacon interval.

The next time that interface is brought up in AP mode,
an interface combination check is performed and the
beacon interval is taken from the previously set value.

In a case where an invalid beacon interval, i.e. a beacon
interval value which does not satisfy the minimum gcd criteria
set by the driver, is set, all the subsequent trials to
bring that interface in AP mode will fail, even if the
subsequent trials have a valid beacon interval.

To avoid this, in case of a failure in bringing up an
interface in AP mode due to interface combination error,
the interface beacon interval which is stored in bss
conf, needs to be restored with the last working value
of beacon interval.

Tested on ath10k using WCN3990.

Cc: stable@vger.kernel.org
Fixes: 0c317a02ca ("cfg80211: support virtual interfaces with different beacon intervals")
Signed-off-by: Rakesh Pillai <pillair@codeaurora.org>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2019-02-15 13:30:24 +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: Fix Tx aggregation session tear down with ITXQs 2019-02-11 15:50:56 +01:00
cfg.c mac80211: Restore vif beacon interval if start ap fails 2019-02-15 13:30:24 +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.c mac80211: add an option for station management TXQ 2018-09-05 10:10:11 +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
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 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: debugfs: avoid variable shadowing 2018-11-09 11:14:51 +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
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: allow drivers to use peer measurement API 2018-11-09 11:20:34 +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: update driver when MU EDCA params change 2018-12-18 14:19:10 +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 mac80211: make LED triggering depend on activation 2015-05-05 14:21:56 +02:00
main.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2018-12-20 11:53:36 -08:00
Makefile mac80211: minstrel: merge with minstrel_ht, always enable VHT support 2018-10-11 16:01:01 +02:00
mesh.c {nl,mac}80211: add rssi to mesh candidates 2018-11-09 11:41:20 +01:00
mesh.h mac80211: Use linked list instead of rhashtable walk for mesh tables 2019-02-15 13:10:10 +01:00
mesh_hwmp.c mac80211: fix TX status reporting for ieee80211s 2018-09-10 09:14:28 +02:00
mesh_pathtbl.c mac80211: Free mpath object when rhashtable insertion fails 2019-02-15 13:10:32 +01:00
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
michael.c mac80211: add get TID helper 2018-02-22 21:13:03 +01:00
michael.h mac80211: fix some missing includes 2014-04-09 14:49:43 +02:00
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.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
rc80211_minstrel_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_ht_debugfs.c mac80211: rc80211_minstrel: remove variance / stddev calculation 2018-10-11 16:01:05 +02:00
rx.c mac80211: Add attribute aligned(2) to struct 'action' 2019-01-25 10:17:25 +01:00
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 {nl,mac}80211: report gate connectivity in station info 2018-11-09 11:38:29 +01:00
sta_info.h {nl,mac}80211: report gate connectivity in station info 2018-11-09 11:38:29 +01:00
status.c mac80211: free skb fraglist before freeing the skb 2018-12-19 09:40:17 +01:00
tdls.c mac80211: TDLS: fix skb queue/priority assignment 2018-09-10 09:13:32 +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.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
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
tx.c mac80211: ensure that mgmt tx skbs have tailroom for encryption 2019-02-01 11:08:02 +01:00
util.c mac80211: call drv_ibss_join() on restart 2019-02-11 15:50:56 +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 mac80211: move RX WEP weak IV counting 2012-03-13 14:54:16 -04:00
wme.c mac80211: mark expected switch fall-throughs 2017-12-11 12:16:04 +01:00
wme.h mac80211: add WMM admission control support 2014-10-22 10:42:09 +02:00
wpa.c mac80211: add get TID helper 2018-02-22 21:13:03 +01:00
wpa.h mac80111: Add BIP-GMAC-128 and BIP-GMAC-256 ciphers 2015-01-27 11:10:13 +01:00