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linux/net/mac80211
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Benjamin Berg 75575e2d25 wifi: mac80211: do not permit 40 MHz EHT operation on 5/6 GHz 
The EHT PHY requirements state that 80 MHz must be supported on the 5
and 6 GHz bands unless the STA is 20 MHz only. So if the channel width
is limited to 40 MHz on a band other than 2.4 GHz, then disable EHT and
downgrade to HE.

The primary case where this can happen is if the hardware disables
puncturing using IEEE80211_HW_DISALLOW_PUNCTURING.

Signed-off-by: Benjamin Berg <benjamin.berg@intel.com>
Cc: stable@vger.kernel.org
Reviewed-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Miri Korenblit <miriam.rachel.korenblit@intel.com>
Link: https://patch.msgid.link/20250826202553.a6582f3abf57.Ic670429dc7127f68c818b4290d950ebfb5a0b9e1@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2025-08-28 13:39:16 +02:00
..
tests
wifi: mac80211: do not permit 40 MHz EHT operation on 5/6 GHz
2025-08-28 13:39:16 +02:00
aead_api.c
mac80211: Check crypto_aead_encrypt for errors
2021-03-16 21:20:41 +01:00
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: aes_cmac: check crypto_shash_setkey() return value
2021-04-19 12:01:40 +02:00
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
mac80211: Check crypto_aead_encrypt for errors
2021-03-16 21:20:41 +01:00
aes_gmac.h
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500
2019-06-19 17:09:55 +02:00
agg-rx.c
wifi: mac80211: add support for S1G aggregation
2025-06-24 15:19:28 +02:00
agg-tx.c
wifi: mac80211: add support for S1G aggregation
2025-06-24 15:19:28 +02:00
airtime.c
wifi: mac80211: introduce EHT rate support in AQL airtime
2024-09-06 12:58:36 +02:00
cfg.c
wifi: mac80211: Write cnt before copying in ieee80211_copy_rnr_beacon()
2025-07-22 10:38:21 +02:00
chan.c
wifi: mac80211: only assign chanctx in reconfig
2025-07-15 11:00:39 +02:00
debug.h
wifi: mac80211: don't WARN for late channel/color switch
2025-06-17 14:30:06 +02:00
debugfs_key.c
wifi: mac80211: Clean up debugfs_key deadcode
2025-01-13 13:51:19 +01:00
debugfs_key.h
wifi: mac80211: Clean up debugfs_key deadcode
2025-01-13 13:51:19 +01:00
debugfs_netdev.c
wifi: mac80211: support initialising current S1G short beacon index
2025-07-18 14:14:44 +02:00
debugfs_netdev.h
wifi: mac80211: fix driver debugfs for vif type change
2024-02-02 13:09:55 +01:00
debugfs_sta.c
Revert "mac80211: Dynamically set CoDel parameters per station"
2025-04-23 15:22:11 +02:00
debugfs_sta.h
wifi: mac80211: add API to show the link STAs in debugfs
2022-10-07 15:23:41 +02:00
debugfs.c
wifi: mac80211: remove DISALLOW_PUNCTURING_5GHZ code
2025-07-09 11:52:36 +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
wifi: mac80211: don't send keys to driver when fips_enabled
2025-07-15 11:00:38 +02:00
driver-ops.h
wifi: mac80211: fix incorrect type for ret
2025-08-26 13:46:48 +02:00
drop.h
wifi: mac80211: Drop cooked monitor support
2025-02-11 11:58:17 +01:00
eht.c
wifi: mac80211: fix MPDU length parsing for EHT 5/6 GHz
2025-03-12 09:29:14 +01:00
ethtool.c
wifi: mac80211: Add counter for all monitor interfaces
2025-02-26 15:44:15 +01:00
fils_aead.c
wifi: mac80211: Do not include crypto/algapi.h
2023-08-24 08:42:36 +02:00
fils_aead.h
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500
2019-06-19 17:09:55 +02:00
he.c
wifi: mac80211: add some support for RX OMI power saving
2025-01-13 15:26:43 +01:00
ht.c
wifi: mac80211: handle WLAN_HT_ACTION_NOTIFY_CHANWIDTH async
2025-07-15 11:00:39 +02:00
ibss.c
wifi: mac80211: add support towards MLO handling of station statistics
2025-06-24 15:19:26 +02:00
ieee80211_i.h
wifi: mac80211: support initialising current S1G short beacon index
2025-07-18 14:14:44 +02:00
iface.c
wifi: mac80211: handle WLAN_HT_ACTION_NOTIFY_CHANWIDTH async
2025-07-15 11:00:39 +02:00
Kconfig
mac80211: MAC80211_MESSAGE_TRACING should depend on TRACING
2024-10-08 21:14:57 +02:00
key.c
wifi: mac80211: don't require cipher and keylen in gtk rekey
2025-07-22 10:43:19 +02:00
key.h
wifi: mac80211: remove key_mtx
2023-09-11 11:27:22 +02:00
led.c
treewide, timers: Rename from_timer() to timer_container_of()
2025-06-08 09:07:37 +02:00
led.h
leds: Change led_trigger_blink[_oneshot]() delay parameters to pass-by-value
2023-05-25 12:16:27 +01:00
link.c
wifi: mac80211: avoid weird state in error path
2025-07-09 11:41:38 +02:00
main.c
wifi: mac80211: increase scan_ies_len for S1G
2025-08-26 13:47:21 +02:00
Makefile
wifi: mac80211: move element parsing to a new file
2024-02-08 15:00:43 +01:00
mesh_hwmp.c
treewide, timers: Rename from_timer() to timer_container_of()
2025-06-08 09:07:37 +02:00
mesh_pathtbl.c
wifi: mac80211: Replace __get_unaligned_cpu32 in mesh_pathtbl.c
2025-04-23 15:28:50 +02:00
mesh_plink.c
treewide, timers: Rename from_timer() to timer_container_of()
2025-06-08 09:07:37 +02:00
mesh_ps.c
wifi: mac80211: mesh: fix some kdoc warnings
2023-10-23 11:43:27 +02:00
mesh_sync.c
wifi: mac80211, cfg80211: miscellaneous spelling fixes
2024-10-08 21:52:09 +02:00
mesh.c
wifi: mac80211: support initialising current S1G short beacon index
2025-07-18 14:14:44 +02:00
mesh.h
wifi: mac80211: split mesh fast tx cache into local/proxied/forwarded
2024-04-17 09:21:32 +02:00
michael.c
move asm/unaligned.h to linux/unaligned.h
2024-10-02 17:23:23 -04:00
michael.h
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500
2019-06-19 17:09:55 +02:00
mlme.c
wifi: mac80211: do not permit 40 MHz EHT operation on 5/6 GHz
2025-08-28 13:39:16 +02:00
ocb.c
treewide, timers: Rename from_timer() to timer_container_of()
2025-06-08 09:07:37 +02:00
offchannel.c
wifi: cfg80211/mac80211: Add support to get radio index
2025-06-24 15:19:27 +02:00
parse.c
wifi: mac80211: fix non-transmitted BSSID profile search
2025-07-07 10:42:48 +02:00
pm.c
wifi: cfg80211/mac80211: Add support to get radio index
2025-06-24 15:19:27 +02:00
rate.c
Revert "mac80211: Dynamically set CoDel parameters per station"
2025-04-23 15:22:11 +02:00
rate.h
wifi: mac80211: convert debugfs files to short fops
2024-10-23 16:47:07 +02:00
rc80211_minstrel_ht_debugfs.c
[tree-wide] finally take no_llseek out
2024-09-27 08:18:43 -07:00
rc80211_minstrel_ht.c
wifi: cfg80211/mac80211: remove more 5/10 MHz code
2025-04-23 15:21:32 +02:00
rc80211_minstrel_ht.h
wifi: mac80211: minstrel_ht: remove unused has_mrr member from struct minstrel_priv
2022-10-07 15:25:05 +02:00
rx.c
wifi: cfg80211/mac80211: report link ID for unexpected frames
2025-07-21 19:40:59 +02:00
s1g.c
wifi: mac80211: handle station association response with S1G
2025-06-24 15:19:28 +02:00
scan.c
wifi: mac80211: copy first_part into HW scan
2025-07-09 11:52:36 +02:00
spectmgmt.c
wifi: mac80211: Avoid -Wflex-array-member-not-at-end warnings
2025-04-23 15:20:20 +02:00
sta_info.c
wifi: mac80211: add mandatory bitrate support for 6 GHz
2025-07-09 11:52:35 +02:00
sta_info.h
wifi: mac80211: add support to accumulate removed link statistics
2025-06-24 15:19:26 +02:00
status.c
wifi: mac80211: restore monitor for outgoing frames
2025-04-23 14:44:22 +02:00
tdls.c
wifi: mac80211: reject TDLS operations when station is not associated
2025-07-18 14:11:27 +02:00
tkip.c
Merge net-next/main to resolve conflicts
2024-10-09 08:59:22 +02:00
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
wifi: mac80211: remove unused MAX_MSG_LEN define
2024-02-08 12:50:09 +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
wifi: cfg80211/mac80211: Add support to get radio index
2025-06-24 15:19:27 +02:00
tx.c
Reapply "wifi: mac80211: Update skb's control block key in ieee80211_tx_dequeue()"
2025-07-18 14:29:30 +02:00
util.c
wifi: mac80211: support initialising current S1G short beacon index
2025-07-18 14:14:44 +02:00
vht.c
wifi: mac80211: make VHT opmode NSS ignore a debug message
2025-07-15 10:59:11 +02:00
wbrf.c
wifi: mac80211: use cfg80211_chandef_get_width()
2025-03-12 09:50:27 +01:00
wep.c
move asm/unaligned.h to linux/unaligned.h
2024-10-02 17:23:23 -04:00
wep.h
mac80211: make ieee80211_wep_init() return void
2020-02-07 12:40:34 +01:00
wme.c
wifi: mac80211: fix qos on mesh interfaces
2023-03-22 13:46:38 +01:00
wme.h
wifi: mac80211: Drop support for TX push path
2022-10-10 11:06:14 +02:00
wpa.c
wifi: mac80211: remove misleading j_0 construction parts
2024-10-23 16:46:58 +02:00
wpa.h
wifi: mac80211: remove cipher scheme support
2022-06-10 15:35:53 +02:00