- first kunit tests for both cfg80211 and mac80211
- a few multi-link fixes
- DSCP mapping update
- RCU fix
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Merge tag 'wireless-next-2024-01-03' of git://git.kernel.org/pub/scm/linux/kernel/git/wireless/wireless-next
Johannes Berg says:
====================
Just a couple of more things over the holidays:
- first kunit tests for both cfg80211 and mac80211
- a few multi-link fixes
- DSCP mapping update
- RCU fix
* tag 'wireless-next-2024-01-03' of git://git.kernel.org/pub/scm/linux/kernel/git/wireless/wireless-next:
wifi: mac80211: remove redundant ML element check
wifi: cfg80211: parse all ML elements in an ML probe response
wifi: cfg80211: correct comment about MLD ID
wifi: cfg80211: Update the default DSCP-to-UP mapping
wifi: cfg80211: tests: add some scanning related tests
wifi: mac80211: kunit: extend MFP tests
wifi: mac80211: kunit: generalize public action test
wifi: mac80211: add kunit tests for public action handling
kunit: add a convenience allocation wrapper for SKBs
kunit: add parameter generation macro using description from array
wifi: mac80211: fix spelling typo in comment
wifi: cfg80211: fix RCU dereference in __cfg80211_bss_update
====================
Link: https://lore.kernel.org/r/20240103144423.52269-3-johannes@sipsolutions.net
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
If "ml_basic" is assigned, we already know that the type
of ML element is basic, so we don't need to check again,
that check can never happen. Simplify the code.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Reviewed-by: Gregory Greenman <gregory.greenman@intel.com>
Reviewed-by: Ilan Peer <ilan.peer@intel.com>
Signed-off-by: Miri Korenblit <miriam.rachel.korenblit@intel.com>
Link: https://msgid.link/20240102213313.bb9b636e66f6.I7fc0897022142d46f39ac0b912a4f7b0f1b6ea26@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Extend the MFP tests to handle the case of deauth/disassoc
and robust action frames (that are not protected dual of
public action frames).
Reviewed-by: Gregory Greenman <gregory.greenman@intel.com>
Link: https://msgid.link/20231220151952.415232-6-benjamin@sipsolutions.net
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Generalize the test to be able to handle arbitrary
action categories and non-action frames, for further
test expansion.
Reviewed-by: Gregory Greenman <gregory.greenman@intel.com>
Link: https://msgid.link/20231220151952.415232-5-benjamin@sipsolutions.net
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Check the logic in ieee80211_drop_unencrypted_mgmt()
according to a list of test cases derived from the
spec.
Reviewed-by: Benjamin Berg <benjamin.berg@intel.com>
Link: https://msgid.link/20231220151952.415232-4-benjamin@sipsolutions.net
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Fix spelling of "attributes" in a comment.
Reported-by: k2ci <kernel-bot@kylinos.cn>
Signed-off-by: Zheng tan <tanzheng@kylinos.cn>
Link: https://msgid.link/20240102015418.3673858-1-tanzheng@kylinos.cn
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
The third "new features" pull request for v6.8. This is a smaller one
to clear up our tree before the break and nothing really noteworthy
this time.
Major changes:
stack
* cfg80211: introduce cfg80211_ssid_eq() for SSID matching
* cfg80211: support P2P operation on DFS channels
* mac80211: allow 64-bit radiotap timestamps
iwlwifi
* AX210: allow concurrent P2P operation on DFS channels
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Merge tag 'wireless-next-2023-12-22' of git://git.kernel.org/pub/scm/linux/kernel/git/wireless/wireless-next
Kalle Valo says:
====================
wireless-next patches for v6.8
The third "new features" pull request for v6.8. This is a smaller one
to clear up our tree before the break and nothing really noteworthy
this time.
Major changes:
stack
* cfg80211: introduce cfg80211_ssid_eq() for SSID matching
* cfg80211: support P2P operation on DFS channels
* mac80211: allow 64-bit radiotap timestamps
iwlwifi
* AX210: allow concurrent P2P operation on DFS channels
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
During ieee80211_set_active_links() we do (among the others):
1. Call drv_change_vif_links() with both old_active and new_active
2. Unassign the chanctx for the removed link(s) (if any)
3. Assign chanctx to the added link(s) (if any)
4. Call drv_change_vif_links() with the new_active links bitmap
The problem here is that during step #1 the driver doesn't know whether
we will activate multiple links simultaneously or are just doing a link
switch, so it can't check there if multiple links are supported/enabled.
(Some of the drivers might enable/disable this option dynamically)
And during step #3, in which the driver already knows that,
returning an error code (for example when multiple links are not
supported or disabled), will cause a warning, and we will still complete
the transition to the new_active links.
(It is hard to undo things in that stage, since we released channels etc.)
Therefore add a driver callback to check if the desired new_active links
will be supported by the driver or not. This callback will be called
in the beginning of ieee80211_set_active_links() so we won't do anything
before we are sure it is supported.
Signed-off-by: Miri Korenblit <miriam.rachel.korenblit@intel.com>
Reviewed-by: Gregory Greenman <gregory.greenman@intel.com>
Reviewed-by: Johannes Berg <johannes.berg@intel.com>
Link: https://msgid.link/20231220133549.64c4d70b33b8.I79708619be76b8ecd4ef3975205b8f903e24a2cd@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Handle a case of time overflow, where the switch time might
be smaller than the partial TSF in the beacon.
Additionally, apply advertised TTLM earlier in order to be
ready on time on the newly activated links.
Fixes: 702e80470a ("wifi: mac80211: support handling of advertised TID-to-link mapping")
Signed-off-by: Ayala Beker <ayala.beker@intel.com>
Reviewed-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Miri Korenblit <miriam.rachel.korenblit@intel.com>
Link: https://msgid.link/20231220133549.15079c34e5c8.I0dd50bcceff5953080cdd7aee5118b72c78c6507@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
When reporting the radiotap timestamp, the mactime field is
usually unused, we take the data from the device_timestamp.
However, there can be cases where the radiotap timestamp is
better reported as a 64-bit value, so since the mactime is
free, add a flag to support using the mactime as a 64-bit
radiotap timestamp.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Reviewed-by: Gregory Greenman <gregory.greenman@intel.com>
Reviewed-by: Benjamin Berg <benjamin.berg@intel.com>
Signed-off-by: Miri Korenblit <miriam.rachel.korenblit@intel.com>
Link: https://msgid.link/20231220133549.00c8b9234f0c.Ie3ce5eae33cce88fa01178e7aea94661ded1ac24@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
We only have a single flag free, and before using that for
another mactime flag, instead refactor the mactime flags
to use a 2-bit field.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Reviewed-by: Gregory Greenman <gregory.greenman@intel.com>
Reviewed-by: Benjamin Berg <benjamin.berg@intel.com>
Signed-off-by: Miri Korenblit <miriam.rachel.korenblit@intel.com>
Link: https://msgid.link/20231220133549.d0e664832d14.I20c8900106f9bf81316bed778b1e3ce145785274@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Some devices may support concurrent DFS operation which relies on the
BSS channel width for its relaxations. Notify cfg80211 about BW change
so it can schedule regulatory checks.
Signed-off-by: Andrei Otcheretianski <andrei.otcheretianski@intel.com>
Reviewed-by: Gregory Greenman <gregory.greenman@intel.com>
Signed-off-by: Miri Korenblit <miriam.rachel.korenblit@intel.com>
Link: https://msgid.link/20231220133549.e08f8e9ebc67.If8915d13e203ebd380579f55fd9148e9b3f43306@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
It is possible for the TX status report for the (Re)Association Request
frame to be delayed long enough for the AP's (Re)Association Response
frame to be received and processed before it. If that were to happen for
a case where the AP rejects the association with indication to come back
later, the association timeout and retry state should not be modified
anymore with the TX status information that would be processed after
this. Updating the association timeout in such a reverse order of events
could result in shortening the timeouts for the association comeback
mechanism and that could result in the association failing.
Track whether we have already processed association rejection with
comeback time and if so, skip the timeout and retry update on any
following TX status report.
Signed-off-by: Jouni Malinen <quic_jouni@quicinc.com>
Link: https://msgid.link/20231219174814.2581575-1-j@w1.fi
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
The second features pull request for v6.8. A bigger one this time with
changes both to stack and drivers. We have a new Wifi band RFI (WBRF)
mitigation feature for which we pulled an immutable branch shared with
other subsystems. And, as always, other new features and bug fixes all
over.
Major changes:
cfg80211/mac80211
* AMD ACPI based Wifi band RFI (WBRF) mitigation feature
* Basic Service Set (BSS) usage reporting
* TID to link mapping support
* mac80211 hardware flag to disallow puncturing
iwlwifi
* new debugfs file fw_dbg_clear
mt76
* NVMEM EEPROM improvements
* mt7996 Extremely High Throughpu (EHT) improvements
* mt7996 Wireless Ethernet Dispatcher (WED) support
* mt7996 36-bit DMA support
ath12k
* support one MSI vector
* WCN7850: support AP mode
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Merge tag 'wireless-next-2023-12-18' of git://git.kernel.org/pub/scm/linux/kernel/git/wireless/wireless-next
Kalle Valo says:
====================
wireless-next patches for v6.8
The second features pull request for v6.8. A bigger one this time with
changes both to stack and drivers. We have a new Wifi band RFI (WBRF)
mitigation feature for which we pulled an immutable branch shared with
other subsystems. And, as always, other new features and bug fixes all
over.
Major changes:
cfg80211/mac80211
* AMD ACPI based Wifi band RFI (WBRF) mitigation feature
* Basic Service Set (BSS) usage reporting
* TID to link mapping support
* mac80211 hardware flag to disallow puncturing
iwlwifi
* new debugfs file fw_dbg_clear
mt76
* NVMEM EEPROM improvements
* mt7996 Extremely High Throughpu (EHT) improvements
* mt7996 Wireless Ethernet Dispatcher (WED) support
* mt7996 36-bit DMA support
ath12k
* support one MSI vector
* WCN7850: support AP mode
* tag 'wireless-next-2023-12-18' of git://git.kernel.org/pub/scm/linux/kernel/git/wireless/wireless-next: (207 commits)
wifi: mt76: mt7996: Use DECLARE_FLEX_ARRAY() and fix -Warray-bounds warnings
wifi: ath11k: workaround too long expansion sparse warnings
Revert "wifi: ath12k: use ATH12K_PCI_IRQ_DP_OFFSET for DP IRQ"
wifi: rt2x00: remove useless code in rt2x00queue_create_tx_descriptor()
wifi: rtw89: only reset BB/RF for existing WiFi 6 chips while starting up
wifi: rtw89: add DBCC H2C to notify firmware the status
wifi: rtw89: mac: add suffix _ax to MAC functions
wifi: rtw89: mac: add flags to check if CMAC and DMAC are enabled
wifi: rtw89: 8922a: add power on/off functions
wifi: rtw89: add XTAL SI for WiFi 7 chips
wifi: rtw89: phy: print out RFK log with formatted string
wifi: rtw89: parse and print out RFK log from C2H events
wifi: rtw89: add C2H event handlers of RFK log and report
wifi: rtw89: load RFK log format string from firmware file
wifi: rtw89: fw: add version field to BB MCU firmware element
wifi: rtw89: fw: load TX power track tables from fw_element
wifi: mwifiex: configure BSSID consistently when starting AP
wifi: mwifiex: add extra delay for firmware ready
wifi: mac80211: sta_info.c: fix sentence grammar
wifi: mac80211: rx.c: fix sentence grammar
...
====================
Link: https://lore.kernel.org/r/20231218163900.C031DC433C9@smtp.kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Correct run-on sentences by changing "," to ";".
Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Cc: Johannes Berg <johannes@sipsolutions.net>
Cc: Kalle Valo <kvalo@kernel.org>
Cc: linux-wireless@vger.kernel.org
Cc: "David S. Miller" <davem@davemloft.net>
Cc: Eric Dumazet <edumazet@google.com>
Cc: Jakub Kicinski <kuba@kernel.org>
Cc: Paolo Abeni <pabeni@redhat.com>
Link: https://msgid.link/20231213054809.23475-1-rdunlap@infradead.org
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Correct a run-on sentence by changing "," to ";".
Add a subject in one sentence.
Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Cc: Johannes Berg <johannes@sipsolutions.net>
Cc: Kalle Valo <kvalo@kernel.org>
Cc: linux-wireless@vger.kernel.org
Cc: "David S. Miller" <davem@davemloft.net>
Cc: Eric Dumazet <edumazet@google.com>
Cc: Jakub Kicinski <kuba@kernel.org>
Cc: Paolo Abeni <pabeni@redhat.com>
Link: https://msgid.link/20231213054800.22561-1-rdunlap@infradead.org
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
The ESS capability bit is reserved in frames transmitted by
the client, so we shouldn't set it. Since we've set it for
decades, keep that old behaviour unless we're connection to
a new EHT AP.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Reviewed-by: Gregory Greenman <gregory.greenman@intel.com>
Signed-off-by: Miri Korenblit <miriam.rachel.korenblit@intel.com>
Link: https://msgid.link/20231211085121.65005aba900b.I3d00c8741400572a89a7508b5ae612c968874ad7@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
ENOTSUP isn't a standard error code. EOPNOTSUPP should be used instead.
Signed-off-by: Andrei Otcheretianski <andrei.otcheretianski@intel.com>
Reviewed-by: Gregory Greenman <gregory.greenman@intel.com>
Signed-off-by: Miri Korenblit <miriam.rachel.korenblit@intel.com>
Link: https://msgid.link/20231211085121.3841b71c867d.Idf2ad01d9dfe8d6d6c352bf02deb06e49701ad1d@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
There may be cases where puncturing isn't possible, and
a connection needs to be downgraded. Add a hardware flag
to support this.
This is likely temporary: it seems we will need to move
puncturing to the chandef/channel context.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Reviewed-by: Gregory Greenman <gregory.greenman@intel.com>
Signed-off-by: Miri Korenblit <miriam.rachel.korenblit@intel.com>
Link: https://msgid.link/20231211085121.c1e89ea55e93.I37b8ca0ee64d5d7699e351785a9010afc106da3c@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Prefer native jiffies-wide 'unsigned long' for the 'last_active' field of
'struct airtime_info' and introduce 'ieee80211_sta_keep_active()' for airtime
check in 'ieee80211_txq_keep_active()' and 'ieee80211_sta_register_airtime()'.
Signed-off-by: Dmitry Antipov <dmantipov@yandex.ru>
Reviewed-by: Toke Høiland-Jørgensen <toke@toke.dk>
Link: https://msgid.link/20231206060935.612241-1-dmantipov@yandex.ru
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
To support the WBRF mechanism, Wifi adapters utilized in the system must
register the frequencies in use (or unregister those frequencies no longer
used) via the dedicated calls. So that, other drivers responding to the
frequencies can take proper actions to mitigate possible interference.
Co-developed-by: Mario Limonciello <mario.limonciello@amd.com>
Signed-off-by: Mario Limonciello <mario.limonciello@amd.com>
Co-developed-by: Evan Quan <quanliangl@hotmail.com>
Signed-off-by: Evan Quan <quanliangl@hotmail.com>
Signed-off-by: Ma Jun <Jun.Ma2@amd.com>
Link: https://msgid.link/20231211100630.2170152-5-Jun.Ma2@amd.com
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
ieee802_11_parse_elems() can return NULL, so we must
check for the return value.
Fixes: 5d24828d05 ("mac80211: always allocate struct ieee802_11_elems")
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Miri Korenblit <miriam.rachel.korenblit@intel.com>
Link: https://msgid.link/20231211085121.93dea364f3d3.Ie87781c6c48979fb25a744b90af4a33dc2d83a28@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
We need to check that cfg80211_defragment_element()
didn't return an error, since it can fail due to bad
input, and we didn't catch that before.
Fixes: 8eb8dd2ffb ("wifi: mac80211: Support link removal using Reconfiguration ML element")
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Miri Korenblit <miriam.rachel.korenblit@intel.com>
Link: https://msgid.link/20231211085121.8595a6b67fc0.I1225edd8f98355e007f96502e358e476c7971d8c@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
If we're doing reconfig, then we cannot add the debugfs
files that are already there from before the reconfig.
Skip that in drv_change_sta_links() during reconfig.
Fixes: d2caad527c ("wifi: mac80211: add API to show the link STAs in debugfs")
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Reviewed-by: Gregory Greenman <gregory.greenman@intel.com>
Reviewed-by: Benjamin Berg <benjamin.berg@intel.com>
Signed-off-by: Miri Korenblit <miriam.rachel.korenblit@intel.com>
Link: https://msgid.link/20231211085121.88a950f43e16.Id71181780994649219685887c0fcad33d387cc78@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
The debugfs files for netdevs (sdata) and links are removed
with the wiphy mutex held, which may deadlock. Use the new
wiphy locked debugfs to avoid that.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
The read is currently with RCU and the write can deadlock,
convert both for the sake of illustration.
Make mac80211 depend on cfg80211 debugfs to get the helpers,
but mac80211 debugfs without it does nothing anyway. This
also required some adjustments in ath9k.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
- If the scan request includes a link ID, validate that it is
one of the active links. Otherwise, if the scan request doesn't
include a valid link ID, select one of the active links.
- When reporting the TSF for a BSS entry, use the link ID information
from the Rx status or the scan request to set the parent BSSID.
Signed-off-by: Ilan Peer <ilan.peer@intel.com>
Signed-off-by: Gregory Greenman <gregory.greenman@intel.com>
Link: https://lore.kernel.org/r/20231113112844.68564692c404.Iae9605cbb7f9d52e00ce98260b3559a34cf18341@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
The new 320 MHz channel width wasn't handled, so connecting
a station to a 320 MHz AP would limit the station to 20 MHz
(on HT) after a warning, handle 320 MHz to fix that.
Signed-off-by: Ben Greear <greearb@candelatech.com>
Link: https://lore.kernel.org/r/20231109182201.495381-1-greearb@candelatech.com
[write a proper commit message]
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
This fixes WARN_ONs when using AP_VLANs after station removal. The flush
call passed AP_VLAN vif to driver, but because these vifs are virtual and
not registered with drivers, we need to translate to the correct AP vif
first.
Closes: https://github.com/openwrt/openwrt/issues/12420
Fixes: 0b75a1b1e4 ("wifi: mac80211: flush queues on STA removal")
Fixes: d00800a289 ("wifi: mac80211: add flush_sta method")
Tested-by: Konstantin Demin <rockdrilla@gmail.com>
Tested-by: Koen Vandeputte <koen.vandeputte@citymesh.com>
Signed-off-by: Oldřich Jedlička <oldium.pro@gmail.com>
Link: https://lore.kernel.org/r/20231104141333.3710-1-oldium.pro@gmail.com
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
The third, and most likely the last, features pull request for v6.7.
Fixes all over and only few small new features.
Major changes:
iwlwifi
* more Multi-Link Operation (MLO) work
ath12k
* QCN9274: mesh support
ath11k
* firmware-2.bin container file format support
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Merge tag 'wireless-next-2023-10-26' of git://git.kernel.org/pub/scm/linux/kernel/git/wireless/wireless-next
Kalle Valo says:
====================
wireless-next patches for v6.7
The third, and most likely the last, features pull request for v6.7.
Fixes all over and only few small new features.
Major changes:
iwlwifi
- more Multi-Link Operation (MLO) work
ath12k
- QCN9274: mesh support
ath11k
- firmware-2.bin container file format support
* tag 'wireless-next-2023-10-26' of git://git.kernel.org/pub/scm/linux/kernel/git/wireless/wireless-next: (155 commits)
wifi: ray_cs: Remove unnecessary (void*) conversions
Revert "wifi: ath11k: call ath11k_mac_fils_discovery() without condition"
wifi: ath12k: Introduce and use ath12k_sta_to_arsta()
wifi: ath12k: fix htt mlo-offset event locking
wifi: ath12k: fix dfs-radar and temperature event locking
wifi: ath11k: fix gtk offload status event locking
wifi: ath11k: fix htt pktlog locking
wifi: ath11k: fix dfs radar event locking
wifi: ath11k: fix temperature event locking
wifi: ath12k: rename the sc naming convention to ab
wifi: ath12k: rename the wmi_sc naming convention to wmi_ab
wifi: ath11k: add firmware-2.bin support
wifi: ath11k: qmi: refactor ath11k_qmi_m3_load()
wifi: rtw89: cleanup firmware elements parsing
wifi: rt2x00: rework MT7620 PA/LNA RF calibration
wifi: rt2x00: rework MT7620 channel config function
wifi: rt2x00: improve MT7620 register initialization
MAINTAINERS: wifi: rt2x00: drop Helmut Schaa
wifi: wlcore: main: replace deprecated strncpy with strscpy
wifi: wlcore: boot: replace deprecated strncpy with strscpy
...
====================
Link: https://lore.kernel.org/r/20231026090411.B2426C433CB@smtp.kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Not all public action frames have a protected variant. When MFP is
enabled drop only public action frames that have a dual protected
variant.
Fixes: 76a3059cf1 ("wifi: mac80211: drop some unprotected action frames")
Signed-off-by: Avraham Stern <avraham.stern@intel.com>
Signed-off-by: Gregory Greenman <gregory.greenman@intel.com>
Link: https://lore.kernel.org/r/20231016145213.2973e3c8d3bb.I6198b8d3b04cf4a97b06660d346caec3032f232a@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
To be able to more easily understand the code, drop robust
action frames before being associated, even if there's no
MFP in the end, as they are Class 3 Frames and shouldn't
be transmitted in the first place.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Gregory Greenman <gregory.greenman@intel.com>
Link: https://lore.kernel.org/r/20231001125722.b2fd37083371.Ie9f4906e2f6c698989bce6681956ed2f9454f27c@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Due to overlapping changes and merges, another error
path ended up broken. Fix this one as well.
Reported-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
make htmldocs warns:
Documentation/driver-api/80211/cfg80211:48: ./include/net/cfg80211.h:7290: WARNING: Duplicate C declaration, also defined at cfg80211:7251.
Declaration is '.. c:function:: void cfg80211_rx_assoc_resp (struct net_device *dev, struct cfg80211_rx_assoc_resp *data)'.
This is because there's a function named cfg80211_rx_assoc_resp() and a struct
named cfg80211_rx_assoc_resp, see previous patch for more info.
To workaround this rename the struct to cfg80211_rx_assoc_resp_data. The
parameter for the function is named 'data' anyway so the naming here is
consistent.
Compile tested only.
Signed-off-by: Kalle Valo <quic_kvalo@quicinc.com>
Link: https://lore.kernel.org/r/20231012114229.2931808-3-kvalo@kernel.org
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
make htmldocs warns:
Documentation/driver-api/80211/mac80211:109: ./include/net/mac80211.h:5170: WARNING: Duplicate C declaration, also defined at mac80211:1117.
Declaration is '.. c:function:: void ieee80211_tx_status (struct ieee80211_hw *hw, struct sk_buff *skb)'.
This is because there's a function named ieee80211_tx_status() and a struct named
ieee80211_tx_status. This has been discussed previously but no solution found:
https://lore.kernel.org/all/20220521114629.6ee9fc06@coco.lan/
There's also a bug open for three years with no solution in sight:
https://github.com/sphinx-doc/sphinx/pull/8313
So I guess we have no other solution than to a workaround this in the code,
for example to rename the function to ieee80211_tx_status_skb() to avoid the
name conflict. I got the idea for the name from ieee80211_tx_status_noskb() in
which the skb is not provided as an argument, instead with
ieee80211_tx_status_skb() the skb is provided.
Compile tested only.
Signed-off-by: Kalle Valo <quic_kvalo@quicinc.com>
Link: https://lore.kernel.org/r/20231012114229.2931808-2-kvalo@kernel.org
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
When using e.g. bonding, and doing a sequence such as
# iw wlan0 set type __ap
# ip link add name bond1 type bond
# ip link set wlan0 master bond1
# iw wlan0 interface del
we deadlock, since the wlan0 interface removal will cause
bonding to reset the MAC address of wlan0.
The locking would be somewhat difficult to fix, but since
this only happens during removal, we can simply ignore the
MAC address change at this time.
Reported-by: syzbot+25b3a0b24216651bc2af@syzkaller.appspotmail.com
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Link: https://lore.kernel.org/r/20231012123447.9f9d7fd1f237.Ic3a5ef4391b670941a69cec5592aefc79d9c2890@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Prepare for the coming implementation by GCC and Clang of the __counted_by
attribute. Flexible array members annotated with __counted_by can have
their accesses bounds-checked at run-time via CONFIG_UBSAN_BOUNDS (for
array indexing) and CONFIG_FORTIFY_SOURCE (for strcpy/memcpy-family
functions).
While there, use struct_size() helper, instead of the open-coded
version, to calculate the size for the allocation of the whole
flexible structure including, of course, the flexible-array member.
This code was found with the help of Coccinelle, and audited and
fixed manually.
Signed-off-by: Gustavo A. R. Silva <gustavoars@kernel.org>
Reviewed-by: Kees Cook <keescook@chromium.org>
Link: https://lore.kernel.org/r/ZSQ/jcmTAf/PKHg/@work
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
As we are moving to MLO and links terms, also the airtime protection
will be done for a link rather than for a vif. Thus, some
drivers will need to know for which link to protect airtime.
Add link id as a parameter to the mgd_prepare_tx() callback.
Signed-off-by: Miri Korenblit <miriam.rachel.korenblit@intel.com>
Signed-off-by: Gregory Greenman <gregory.greenman@intel.com>
Link: https://lore.kernel.org/r/20230928172905.c7fc59a6780b.Ic88a5037d31e184a2dce0b031ece1a0a93a3a9da@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
If there is a disassoc before the fisrt beacon we need to protect a
session for the deauth frame. Currently we are checking if we had a
beacon in the default link, which is wrong in a MLO connection and
link id != 0.
Fix this by checking all the active links, if none had a beacon then
protect a session.
If at least one link had a beacon there is no need for session
protection.
Signed-off-by: Miri Korenblit <miriam.rachel.korenblit@intel.com>
Signed-off-by: Gregory Greenman <gregory.greenman@intel.com>
Link: https://lore.kernel.org/r/20231004120820.d290f0ab77b0.Ic1505cf3d60f74580d31efa7e52046947c490b85@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
When the station is marked as no longer authorized, we shouldn't
transmit to it any longer, but in particular we shouldn't be able
to transmit to it after removing keys, which might lead to frames
being sent out unencrypted depending on the exact hardware offload
mechanism. Thus, instead of flushing only on station destruction,
which covers only some cases, always flush on unauthorization.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Gregory Greenman <gregory.greenman@intel.com>
Link: https://lore.kernel.org/r/20230928172905.d47f528829e7.I96903652c7ee0c5c66891f8b2364383da8e45a1f@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
When this flow is invoked with the "drop" parameter as true,
we only drop the frames from the hw queues, but not from the
sw queues.
So when we call wake_queues() after hw queue purging, all the
frames from the sw queues will be TX'ed,
when what we actually want to do is to purge all queues
in order to not TX anything...
This can cause, for example, TXing data frames to the peer
after the deauth frame was sent.
Fix this by purging the sw queues in addition to the hw queues
if the drop parameter is true.
Signed-off-by: Miri Korenblit <miriam.rachel.korenblit@intel.com>
Signed-off-by: Gregory Greenman <gregory.greenman@intel.com>
Link: https://lore.kernel.org/r/20230928172905.8fc2ee23e56f.I8b3f6def9c28ea96261e2d31df8786986fb5385b@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
When the remain on channel is removed at the time it should
have expired, we have a race: the driver could be handling
the flow of the expiration while mac80211 is cancelling
that very same remain on channel request.
This wouldn't be problem in itself, but since mac80211
can send the next request to the driver in the cancellation
flow, we can get to the following situation:
CPU0 CPU1
expiration of roc in driver
ieee80211_remain_on_channel_expired()
Cancellation of the roc
schedules a worker (hw_roc_done)
Add next roc
hw_roc_done_wk runs and ends
the second roc prematurely.
Since, by design, there is only one single request sent to the
driver at a time, we can safely assume that after the cancel()
request returns from the driver, we should not handle any worker
that handles the expiration of the request.
Cancel the hw_roc_done worker after the cancellation to make
sure we start the next one with a clean slate.
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Gregory Greenman <gregory.greenman@intel.com>
Link: https://lore.kernel.org/r/20230928172905.4e4469be20ac.Iab0525f5cc4698acf23eab98b8b1eec02099cde0@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Since userspace can choose now what link to establish the
TDLS on, we should know on what channel to do session protection.
Add a link id parameter to this callback.
Signed-off-by: Miri Korenblit <miriam.rachel.korenblit@intel.com>
Signed-off-by: Gregory Greenman <gregory.greenman@intel.com>
Link: https://lore.kernel.org/r/20230928172905.ef12ce3eb835.If864f406cfd9e24f36a2b88fd13a37328633fcf9@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
