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The AP removal timer field need not be aligned, so the
code shouldn't access it directly, but use unaligned
loads. Use get_unaligned_le16(), which even is shorter
than the current code since it doesn't need a cast.
Fixes: 8eb8dd2ffbbb ("wifi: mac80211: Support link removal using Reconfiguration ML element")
Reviewed-by: Ilan Peer <ilan.peer@intel.com>
Reviewed-by: Miriam Rachel Korenblit <miriam.rachel.korenblit@intel.com>
Link: https://msgid.link/20240418105220.356788ba0045.I2b3cdb3644e205d5bb10322c345c0499171cf5d2@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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If the AP removal timer is long, we don't really want to
remove the link immediately. However, we really should do
it _before_ the AP removes it (which happens at or after
count reaches 0), so subtract 1 from the countdown when
scheduling the timer. This causes the link removal work
to run just after the beacon with value 1 is received. If
the counter is already zero, do it immediately.
This fixes an issue where we do the removal too late and
receive a beacon from the AP that's no longer associated
with the MLD, but thus removed EHT and ML elements, and
then we disconnect instead from the whole MLD, since one
of the associated APs changed mode from EHT to HE.
Fixes: 8eb8dd2ffbbb ("wifi: mac80211: Support link removal using Reconfiguration ML element")
Reviewed-by: Ilan Peer <ilan.peer@intel.com>
Reviewed-by: Miriam Rachel Korenblit <miriam.rachel.korenblit@intel.com>
Link: https://msgid.link/20240418105220.03ac4a09fa74.Ifb8c8d38e3402721a81ce5981568f47b5c5889cb@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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If the AP mode ends up being determined less than the client mode,
there may be different reasons for this, e.g. AP misconfiguration.
If this happens in a way that causes e.g. EHT to be rejected, the
elements need to be re-parsed since we'll connect as HE, but not
reparsing means that we'll still think it's OK to use multi-link,
so we can connect in a non-sensical configuration of advertising
only HE on a secondary link. This normally won't happen for the
assoc link because that reuses the mode from authentication, and
if that's not EHT, multi-link association is rejected.
Fix this inconsistency by parsing the elements again if the mode
was different from the first parsing attempt. Print the message a
bit later to avoid printing "determined AP ... to be HE" twice in
cases where ieee80211_determine_ap_chan() returned a lesser mode,
rather than the regulatory downgrades below changing it.
Fixes: 310c8387c638 ("wifi: mac80211: clean up connection process")
Reviewed-by: Miriam Rachel Korenblit <miriam.rachel.korenblit@intel.com>
Link: https://msgid.link/20240418105220.d1f25d92cfe7.Ia21eff6cdcae2f5aca13cf8e742a986af5e70f89@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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When re-parsing the elements here (with changed mode), free
the original ones first to avoid leaking memory.
Fixes: 310c8387c638 ("wifi: mac80211: clean up connection process")
Reviewed-by: Miriam Rachel Korenblit <miriam.rachel.korenblit@intel.com>
Link: https://msgid.link/20240418105220.458421e3bbff.Icb5b84cba3ea420794cf009cf18ec3d76e434736@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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When doing re-parsing in ieee80211_determine_chan_mode(),
the conn->mode is changed, and the whole point of doing
the parsing again was to parse as the downgraded mode.
However, that didn't actually work, because the setting
was copied before and never changed again. Fix that.
Fixes: 310c8387c638 ("wifi: mac80211: clean up connection process")
Reviewed-by: Miriam Rachel Korenblit <miriam.rachel.korenblit@intel.com>
Link: https://msgid.link/20240418105220.5e0d1fcb5622.Ib0673e0bc90033fd6d387b6a5f107c040eb907cf@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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The vif's idle state doesn't automatically go to true when
any link removes the channel context, it's only idle when
_all_ links no longer have a channel context. Fix that.
Reviewed-by: Miriam Rachel Korenblit <miriam.rachel.korenblit@intel.com>
Link: https://msgid.link/20240418105220.90df97557702.I05d2228ce85c203b9f2d6da8538cc16dce46752a@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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Depending on the origin of the packets (and their SA), 802.11 + mesh headers
could be filled in differently. In order to properly deal with that, add a
new field to the lookup key, indicating the type (local, proxied or
forwarded). This can fix spurious packet drop issues that depend on the order
in which nodes/hosts communicate with each other.
Fixes: d5edb9ae8d56 ("wifi: mac80211: mesh fast xmit support")
Signed-off-by: Felix Fietkau <nbd@nbd.name>
Link: https://msgid.link/20240415121811.13391-1-nbd@nbd.name
[use sizeof_field() for key_len]
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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timestamp field
Logic inside ieee80211_rx_mgmt_beacon accesses the
mgmt->u.beacon.timestamp field without first checking whether the beacon
received is non-S1G format.
Fix the problem by checking the beacon is non-S1G format to avoid access
of the mgmt->u.beacon.timestamp field.
Signed-off-by: Richard Kinder <richard.kinder@gmail.com>
Link: https://msgid.link/20240328005725.85355-1-richard.kinder@gmail.com
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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The rate mask is intended for use during operation, and
can be set to only have masks for the currently active
band. As such, it cannot be used for scanning which can
be on other bands as well.
Simply ignore the rate masks during scanning to avoid
warnings from incorrect settings.
Reported-by: syzbot+fdc5123366fb9c3fdc6d@syzkaller.appspotmail.com
Closes: https://syzkaller.appspot.com/bug?extid=fdc5123366fb9c3fdc6d
Co-developed-by: Dmitry Antipov <dmantipov@yandex.ru>
Signed-off-by: Dmitry Antipov <dmantipov@yandex.ru>
Tested-by: Dmitry Antipov <dmantipov@yandex.ru>
Link: https://msgid.link/20240326220854.9594cbb418ca.I7f86c0ba1f98cf7e27c2bacf6c2d417200ecea5c@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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Check the EHT action frame length before accessing
the action code, if it's not present then the frame
cannot be valid.
Reported-by: syzbot+75af45a00cf13243ba39@syzkaller.appspotmail.com
Closes: https://lore.kernel.org/r/0000000000006c06870614886611@google.com/
Fixes: 8f500fbc6c65 ("wifi: mac80211: process and save negotiated TID to Link mapping request")
Link: https://msgid.link/20240326213858.19c84f34349f.I71b439f016b28f65284bb7646fe36343b74cbc9a@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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Fix ieee80211_ttlm_set_links() to not set all active links,
but instead let the driver know that valid links status changed
and select the active links properly.
Fixes: 8f500fbc6c65 ("wifi: mac80211: process and save negotiated TID to Link mapping request")
Signed-off-by: Ayala Beker <ayala.beker@intel.com>
Reviewed-by: Ilan Peer <ilan.peer@intel.com>
Signed-off-by: Miri Korenblit <miriam.rachel.korenblit@intel.com>
Link: https://msgid.link/20240318184907.acddbbf39584.Ide858f95248fcb3e483c97fcaa14b0cd4e964b10@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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If prep_channel fails in prep_connection, the code releases
the deflink's chanctx, which is wrong since we may be using
a different link. It's already wrong to even do that always
though, since we might still have the station. Remove it
only if prep_channel succeeded and later updates fail.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Miri Korenblit <miriam.rachel.korenblit@intel.com>
Link: https://msgid.link/20240318184907.2780c1f08c3d.I033c9b15483933088f32a2c0789612a33dd33d82@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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Running kernel-doc on ieee80211_i.h flagged the following:
net/mac80211/ieee80211_i.h:145: warning: expecting prototype for enum ieee80211_corrupt_data_flags. Prototype was for enum ieee80211_bss_corrupt_data_flags instead
net/mac80211/ieee80211_i.h:162: warning: expecting prototype for enum ieee80211_valid_data_flags. Prototype was for enum ieee80211_bss_valid_data_flags instead
Fix these warnings.
Signed-off-by: Jeff Johnson <quic_jjohnson@quicinc.com>
Reviewed-by: Simon Horman <horms@kernel.org>
Link: https://msgid.link/20240314-kdoc-ieee80211_i-v1-1-72b91b55b257@quicinc.com
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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When moving a station out of a VLAN and deleting the VLAN afterwards, the
fast_rx entry still holds a pointer to the VLAN's netdev, which can cause
use-after-free bugs. Fix this by immediately calling ieee80211_check_fast_rx
after the VLAN change.
Cc: stable@vger.kernel.org
Reported-by: ranygh@riseup.net
Signed-off-by: Felix Fietkau <nbd@nbd.name>
Link: https://msgid.link/20240316074336.40442-1-nbd@nbd.name
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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Make sure that the new mlme_link_id_dbg() macro honours
CONFIG_MAC80211_MLME_DEBUG as intended to avoid spamming the log with
messages like:
wlan0: no EHT support, limiting to HE
wlan0: determined local STA to be HE, BW limited to 160 MHz
wlan0: determined AP xx:xx:xx:xx:xx:xx to be VHT
wlan0: connecting with VHT mode, max bandwidth 160 MHz
Fixes: 310c8387c638 ("wifi: mac80211: clean up connection process")
Signed-off-by: Johan Hovold <johan+linaro@kernel.org>
Link: https://msgid.link/20240325085948.26203-1-johan+linaro@kernel.org
Tested-by: Kalle Valo <kvalo@kernel.org>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/wireless/wireless-next
Kalle Valo says:
====================
wireless-next patches for v6.9
The fourth "new features" pull request for v6.9 with changes both in
stack and in drivers. The theme in this pull request is to fix sparse
warnings but we still have some left in wireless subsystem. Otherwise
quite normal.
Major changes:
rtw89
* NL80211_EXT_FEATURE_SCAN_RANDOM_SN support
* NL80211_EXT_FEATURE_SET_SCAN_DWELL support
rtw88
* support for more rtw8811cu and rtw8821cu devices
mt76
* mt76x2u: add Netgear WNDA3100v3 USB
* mt7915: newer ADIE version support
* mt7925: radio temperature sensor support
* mt7996: remove GCMP IGTK offload
* tag 'wireless-next-2024-03-08' of git://git.kernel.org/pub/scm/linux/kernel/git/wireless/wireless-next: (125 commits)
wifi: rtw89: wow: move release offload packet earlier for WoWLAN mode
wifi: rtw89: wow: set security engine options for 802.11ax chips only
wifi: rtw89: update suspend/resume for different generation
wifi: rtw89: wow: update config mac function with different generation
wifi: rtw89: update DMA function with different generation
wifi: rtw89: wow: update WoWLAN status register for different generation
wifi: rtw89: wow: update WoWLAN reason register for different chips
wifi: brcm80211: handle pmk_op allocation failure
wifi: rtw89: coex: Add coexistence policy to decrease WiFi packet CRC-ERR
wifi: rtw89: coex: When Bluetooth not available don't set power/gain
wifi: rtw89: coex: add return value to ensure H2C command is success or not
wifi: rtw89: coex: Reorder H2C command index to align with firmware
wifi: rtw89: coex: add BTC ctrl_info version 7 and related logic
wifi: rtw89: coex: add init_info H2C command format version 7
wifi: rtw89: 8922a: add coexistence helpers of SW grant
wifi: rtw89: mac: add coexistence helpers {cfg/get}_plt
wifi: cw1200: restore endian swapping
wifi: wlcore: sdio: Rate limit wl12xx_sdio_raw_{read,write}() failures warns
wifi: rtlwifi: Remove rtl_intf_ops.read_efuse_byte
wifi: rtw88: 8821c: Fix false alarm count
...
====================
Link: https://lore.kernel.org/r/20240308100429.B8EA2C433F1@smtp.kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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If a link is deactivated, we really cannot sustain any
TDLS connections on that link any more. With the API
now changed, fix this issue and remove TDLS connections.
Reviewed-by: Miriam Rachel Korenblit <miriam.rachel.korenblit@intel.com>
Reviewed-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Link: https://msgid.link/20240228095719.a7dd812c37bf.I3474dbde79e9e7a539d47f6f81f32e6c3e459080@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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If a link does CSA, or if it changes SMPS mode, we need to
drop the TDLS peers, but we really should drop them only on
the affected link. Fix that.
Reviewed-by: Miriam Rachel Korenblit <miriam.rachel.korenblit@intel.com>
Reviewed-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Link: https://msgid.link/20240228095719.00d1d793f5b8.Ia9971316c6b3922dd371d64ac2198f91ed5ad9d2@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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Unify all the CSA handling, including handling of a beacon
after the CSA, into ieee80211_sta_process_chanswitch().
The CRC of the beacon will change due to changes in the
CSA/ECSA elements, so there's really no need to have the
'beacon after CSA' handling before the CRC processing or
to change the beacon_crc_valid value here.
Reviewed-by: Miriam Rachel Korenblit <miriam.rachel.korenblit@intel.com>
Link: https://msgid.link/20240228095719.e269c0e02905.I9dc68ff1e84d51349822bc7d3b33b578fcf8e360@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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When doing CSA in multi-link, there really isn't a need to
stop transmissions entirely. Add a feature flag for drivers
to indicate they can handle quiet in CSA (be it by parsing
themselves, or by implementing drv_pre_channel_switch()),
to make that possible.
Also clean up the csa_block_tx handling: it clearly cannot
handle multi-link due to the way queues are stopped, move
it to the sdata. Drivers should be doing it themselves for
working properly during CSA in MLO anyway. Also rename it
to indicate that it reflects TX was blocked at mac80211.
Reviewed-by: Miriam Rachel Korenblit <miriam.rachel.korenblit@intel.com>
Link: https://msgid.link/20240228095719.258439191541.I2469d206e2bf5cb244cfde2b4bbc2ae6d1cd3dd9@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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Pass the link conf to the abort_channel_switch driver
method so the driver can handle things correctly.
Reviewed-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Reviewed-by: Miriam Rachel Korenblit <miriam.rachel.korenblit@intel.com>
Link: https://msgid.link/20240228095718.27f621106ddd.Iadd3d69b722ffe5934779a32a0e4e596a4e33ed4@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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For CSA to work correctly in multi-link scenarios, pass
the link_id to the relevant callbacks.
While at it, unify/deduplicate the tracing for them.
Reviewed-by: Miriam Rachel Korenblit <miriam.rachel.korenblit@intel.com>
Reviewed-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Link: https://msgid.link/20240228095718.b7726635c054.I0be5d00af4acb48cfbd23a9dbf067f9aeb66469d@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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Rework the data structures to hide element parsing internals
from the users.
Reviewed-by: Miriam Rachel Korenblit <miriam.rachel.korenblit@intel.com>
Link: https://msgid.link/20240228094902.19c610b529e2.Ie7ea2dcb6713911590ace6583a4748f32dc37df2@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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We're always using "scratch + len - pos", so we don't need
to subtract here to calculate the remaining length. Remove
the unnecessary subtraction.
Reviewed-by: Miriam Rachel Korenblit <miriam.rachel.korenblit@intel.com>
Reviewed-by: Ilan Peer <ilan.peer@intel.com>
Link: https://msgid.link/20240228094902.44e07cfa9e63.I7a9758fb9bc6b726aac49804f2f05cd521bc4128@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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Using the scratch buffer (without advancing it) here in the
mlme.c code seems somewhat wrong, defragment the reconfig
multi-link element already when parsing. This might be a bit
more work in certain cases, but makes the whole thing more
regular.
Reviewed-by: Miriam Rachel Korenblit <miriam.rachel.korenblit@intel.com>
Link: https://msgid.link/20240228094902.92936a3ce216.I4b736ce4fdc199fa1d6b00d00032f448c873a8b4@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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We shouldn't assign elems->ml_basic{,len} before defragmentation,
and we don't need elems->ml_reconf{,len} at all since we don't do
defragmentation. Clean that up a bit. This does require always
defragmention even when it may not be needed, but that's easier
to reason about.
Reviewed-by: Ilan Peer <ilan.peer@intel.com>
Reviewed-by: Miriam Rachel Korenblit <miriam.rachel.korenblit@intel.com>
Link: https://msgid.link/20240228094902.e0115da4d2a6.I89a80f7387eabef8df3955485d4a583ed024c5b1@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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Given the prior changes to ieee80211_mle_size_ok(), we
can now pass NULL to for_each_mle_subelement(), so no
longer need to check for that here explicitly.
Reviewed-by: Miriam Rachel Korenblit <miriam.rachel.korenblit@intel.com>
Link: https://msgid.link/20240228094901.9e32c4b63875.Ia2ee0aafdc8a48bd21b485cc36a9866f950d781b@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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We sometimes need to check if a link is active, and this
is complicated by the fact that active_links has no bits
set when the vif isn't (acting as) an MLD. Add a small
new helper ieee80211_vif_link_active() to make that a bit
easier, and use it in a few places.
Reviewed-by: Ilan Peer <ilan.peer@intel.com>
Reviewed-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Reviewed-by: Miriam Rachel Korenblit <miriam.rachel.korenblit@intel.com>
Link: https://msgid.link/20240228094901.688760aff5f7.I06892a503f5ecb9563fbd678d35d08daf7a044b0@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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At this point, since it's taken from elems->ml_basic which
is stored only if it's of type basic, we don't really need
to check again if it's basic.
Reviewed-by: Ilan Peer <ilan.peer@intel.com>
Reviewed-by: Miriam Rachel Korenblit <miriam.rachel.korenblit@intel.com>
Link: https://msgid.link/20240228094901.ad1d4a09a6eb.Ib96fa75b1a6db21dd4182dcfa11fe9aff78fa3ed@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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The scratch_pos update here was lost after defrag, so any
other uses of the scratch buffer might overwrite it.
Fixes: a286de1aa38f ("wifi: mac80211: Rename multi_link")
Reviewed-by: Benjamin Berg <benjamin.berg@intel.com>
Reviewed-by: Ilan Peer <ilan.peer@intel.com>
Reviewed-by: Miriam Rachel Korenblit <miriam.rachel.korenblit@intel.com>
Link: https://msgid.link/20240228094901.9da35f39eeb7.I7127f2918ec4cba416fcbc35eacaea10262c1268@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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The CQM handling did not consider the MLO case and thus notified
a not-existing link with the CQM change. To fix this, propagate
the CQM notification to all the active links (handling both the
non-MLO and MLO cases).
TODO: this currently propagates the same configuration to all
links regardless of the band. This might not be the correct
approach as different links might need to be configured with
different values.
Signed-off-by: Ilan Peer <ilan.peer@intel.com>
Reviewed-by: Miriam Rachel Korenblit <miriam.rachel.korenblit@intel.com>
Link: https://msgid.link/20240228094753.bf6a3fefe553.Id738810b73e1087e01d5885508b70a3631707627@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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When a beacon is received use it to update the BSS table regardless
of the scanning state. Do so only when there are active non-monitor
interfaces. Also, while at it, in any case accept beacons only with
broadcast address.
Reviewed-by: Miriam Rachel Korenblit <miriam.rachel.korenblit@intel.com>
Signed-off-by: Ilan Peer <ilan.peer@intel.com>
Link: https://msgid.link/20240228094742.e508605f495b.I3ab24ab3543319e31165111b28bcdcc622b5cf02@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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In MLO, we need the link id in the GTK key to be given by
the driver after rekeying in wowlan, so add that.
Signed-off-by: Shaul Triebitz <shaul.triebitz@intel.com>
Reviewed-by: Miriam Rachel Korenblit <miriam.rachel.korenblit@intel.com>
Link: https://msgid.link/20240228094500.ce1bfc83a680.I43a6f8ab2804ee07116a37d5b9ec601b843464b1@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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In the association request, we make some parameters depend on the
AP's HT/VHT information. This was broken by my code because it no
longer filled that information, making it all zero.
For HT that meant we wouldn't reduce our capabilities to 20 MHz if
needed, and for VHT we lost beamforming capabilities.
Fix this. It seems like it may even have been broken for all but
the assoc link before.
Fixes: 310c8387c638 ("wifi: mac80211: clean up connection process")
Reviewed-by: Miriam Rachel Korenblit <miriam.rachel.korenblit@intel.com>
Link: https://msgid.link/20240228094207.7dc812c2060a.Ibd591f9c214b4e166cf7171db3cf63bda8e3c9fd@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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When a link doesn't have VHT capability, before the rework
we'd have set IEEE80211_CONN_DISABLE_VHT, but now with the
linear progression of 'mode', we no longer have that. Add
an explicit check for VHT being supported, so we don't add
a zeroed VHT capabilities element where it shouldn't be.
Fixes: 310c8387c638 ("wifi: mac80211: clean up connection process")
Reviewed-by: Miriam Rachel Korenblit <miriam.rachel.korenblit@intel.com>
Link: https://msgid.link/20240228094207.bfe4283bcde7.Ib70a558bc6bdbcec3d9e663079229dfcc2493682@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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Currently whenever link AP is started, netif_carrier_up() function is
called and whenever it is brought down, netif_carrier_down() function is
called. However, with MLO, all the links of the same MLD would use the
same netdev. Hence there is no need to indicate for each link up/down.
Also, calling it down when only one of the links went down is not
desirable.
Add changes to call the netif_carrier_up() function only when first link
is brought up. Similarly, add changes to call the netif_carrier_down()
function only when last link is brought down.
In order to check the number of beaconing links in the given interface,
introduce a new helper function ieee80211_num_beaconing_links().
Signed-off-by: Aditya Kumar Singh <quic_adisi@quicinc.com>
Link: https://msgid.link/20240227042251.1511122-3-quic_adisi@quicinc.com
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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Currently while stopping a link AP, all keys from the interface were
removed. However with MLO there is a requirement to free only the link
keys.
Add changes to remove keys which are associated with the link AP which is
going to be stopped.
Signed-off-by: Rameshkumar Sundaram <quic_ramess@quicinc.com>
Signed-off-by: Aditya Kumar Singh <quic_adisi@quicinc.com>
Link: https://msgid.link/20240227042251.1511122-2-quic_adisi@quicinc.com
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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We're currently tracking rx_nss for each station, and that
is meant to be initialized to the capability NSS and later
reduced by the operating mode notification NSS.
However, we're mixing up capabilities and operating mode
NSS in the same variable. This forces us to recalculate
the NSS capability on operating mode notification RX,
which is a bit strange; due to the previous fix I had to
never keep rx_nss as zero, it also means that the capa is
never taken into account properly.
Fix all this by storing the capability value, that can be
recalculated unconditionally whenever needed, and storing
the operating mode notification NSS separately, taking it
into account when assigning the final rx_nss value.
Cc: stable@vger.kernel.org
Fixes: dd6c064cfc3f ("wifi: mac80211: set station RX-NSS on reconfig")
Reviewed-by: Miriam Rachel Korenblit <miriam.rachel.korenblit@intel.com>
Link: https://msgid.link/20240228120157.0e1c41924d1d.I0acaa234e0267227b7e3ef81a59117c8792116bc@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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We have an nl80211 attribute to mask supported rates from
probe responses in scanning, e.g. for use in P2P, but in
the refactoring I stopped applying this mask. Restore it.
Fixes: 07095d167749 ("wifi: mac80211: start building elements in SKBs")
Link: https://msgid.link/20240301175451.7ad8ab0bd90c.I46b49e4fc27fe60b75d4559c01104e55ed381c37@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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If the assoc link doesn't exist yet at this point, we
cannot use it yet. This isn't normally the case, but
e.g. in case of FT-DS (or just broken userspace) the
link might not be set up yet and will only be created
later in this function. Check that the link exists.
Fixes: 310c8387c638 ("wifi: mac80211: clean up connection process")
Reported-by: Dan Carpenter <dan.carpenter@linaro.org>
Closes: https://lore.kernel.org/r/3151f5d0-c18f-413d-b34b-b94f095b947c@moroto.mountain
Reviewed-by: Miriam Rachel Korenblit <miriam.rachel.korenblit@intel.com>
Link: https://msgid.link/20240301193633.c886d300e90a.Ie1d5e23b2a033d934d343c37249f6f4dfddcc5fe@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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My previous patch only initialized match_auth when the
ifmgd->auth_data exists, but that was wrong, it should
always be set. Fix that.
Fixes: 310c8387c638 ("wifi: mac80211: clean up connection process")
Reported-by: Dan Carpenter <dan.carpenter@linaro.org>
Closes: https://lore.kernel.org/r/3151f5d0-c18f-413d-b34b-b94f095b947c@moroto.mountain
Reviewed-by: Miriam Rachel Korenblit <miriam.rachel.korenblit@intel.com>
Link: https://msgid.link/20240301193633.1a3fc370f211.I979dd222b3b5eb5e1437886e5f7c2355eeccb9f7@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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Cross-merge networking fixes after downstream PR.
Conflicts:
net/mptcp/protocol.c
adf1bb78dab5 ("mptcp: fix snd_wnd initialization for passive socket")
9426ce476a70 ("mptcp: annotate lockless access for RX path fields")
https://lore.kernel.org/all/20240228103048.19255709@canb.auug.org.au/
Adjacent changes:
drivers/dpll/dpll_core.c
0d60d8df6f49 ("dpll: rely on rcu for netdev_dpll_pin()")
e7f8df0e81bf ("dpll: move xa_erase() call in to match dpll_pin_alloc() error path order")
drivers/net/veth.c
1ce7d306ea63 ("veth: try harder when allocating queue memory")
0bef512012b1 ("net: add netdev_lockdep_set_classes() to virtual drivers")
drivers/net/wireless/intel/iwlwifi/mvm/d3.c
8c9bef26e98b ("wifi: iwlwifi: mvm: d3: implement suspend with MLO")
78f65fbf421a ("wifi: iwlwifi: mvm: ensure offloading TID queue exists")
net/wireless/nl80211.c
f78c1375339a ("wifi: nl80211: reject iftype change with mesh ID change")
414532d8aa89 ("wifi: cfg80211: use IEEE80211_MAX_MESH_ID_LEN appropriately")
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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When a station has not been uploaded yet, receiving SMPS or channel width
notification action frames can lead to rate_control_rate_update calling
drv_sta_rc_update with uninitialized driver private data.
Fix this by adding a missing check for sta->uploaded.
Signed-off-by: Felix Fietkau <nbd@nbd.name>
Link: https://msgid.link/20240221140535.16102-1-nbd@nbd.name
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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Align the prototype of ieee80211_mle_get_bss_param_ch_cnt()
to also take a u8 * like the other functions, and make it
return -1 when the field isn't found, so that mac80211 can
check that instead of explicitly open-coding the check.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Miri Korenblit <miriam.rachel.korenblit@intel.com>
Link: https://msgid.link/20240216135047.583309181bc3.Ia61cb0b4fc034d5ac8fcfaf6f6fb2e115fadafe7@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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The assignment to pointer cache in function mesh_fast_tx_gc can
be made at the declaration time rather than a later assignment.
There are also 3 functions where pointer cache is being initialized
at declaration time and later re-assigned again with the same
value, these are redundant and can be removed.
Cleans up code and three clang scan build warnings:
warning: Value stored to 'cache' during its initialization is never
read [deadcode.DeadStores]
Signed-off-by: Colin Ian King <colin.i.king@intel.com>
Reviewed-by: Simon Horman <horms@kernel.org>
Link: https://msgid.link/20240215232151.2075483-1-colin.i.king@gmail.com
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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Some drivers need the data in it, so move it to the link conf,
which is exposed to the driver.
Signed-off-by: Miri Korenblit <miriam.rachel.korenblit@intel.com>
Link: https://msgid.link/20240206164849.6fe9782b87b4.Ifbffef638f07ca7f5c2b27f40d2cf2942d21de0b@changeid
[remove bss pointer from internal struct, update docs]
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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Currently, function to check if beacon countdown is complete uses deflink
to fetch the beacon and check the counter. However, with MLO, there is
a need to check the counter for the beacon in a particular link.
Add support to use link_id in order to fetch the beacon from a particular
link data.
Signed-off-by: Aditya Kumar Singh <quic_adisi@quicinc.com>
Link: https://msgid.link/20240216144621.514385-2-quic_adisi@quicinc.com
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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There's a conflict already and some upcoming changes
also depend on changes in wireless for being conflict-
free, so pull wireless in to make all that easier.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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If the driver uses the new IEEE80211_CHAN_CAN_MONITOR, we
may monitor on channels that are, e.g. via regulatory,
otherwise considered disabled. However, we really shouldn't
transmit on them, so prevent that.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Miri Korenblit <miriam.rachel.korenblit@intel.com>
Link: https://msgid.link/20240206164849.9c03dcf67dbe.Ib86a851c274c440908c663f6dd774b79bfc3965d@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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Currently, whenever AP link is brought down via ieee80211_stop_ap()
function, all stations connected to the sdata are flushed. However, in case
of MLO there is a requirement to flush only stations connected to that link
and not all.
For instance - Consider 2 GHz and 5 GHz are AP MLD. Now due to some reason
5 GHz link of this AP is going down (link removal or any other case). All
stations connected, even legacy stations connected to 2 GHz link AP would
also be flushed. Flushing of other link stations is not desirable.
Fix this issue by passing self link ID to sta_flush() function. This would
then only remove the stations which are still using the passed link
ID as their link sta. Other stations will not be affected.
Signed-off-by: Aditya Kumar Singh <quic_adisi@quicinc.com>
Link: https://msgid.link/20240205162952.1697646-4-quic_adisi@quicinc.com
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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