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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>
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STA/P2PClient
In 4way handshake offload, cfg80211_port_authorized enables driver
to indicate successful 4way handshake to cfg80211 layer. Currently
this path of port authorization is restricted to interface type
NL80211_IFTYPE_STATION and NL80211_IFTYPE_P2P_CLIENT. This patch
extends the support for NL80211_IFTYPE_AP and NL80211_IFTYPE_P2P_GO
interfaces to authorize peer STA/P2P_CLIENT, whenever authentication
is offloaded on the AP/P2P_GO interface.
Signed-off-by: Vinayak Yadawad <vinayak.yadawad@broadcom.com>
Link: https://lore.kernel.org/r/dee3b0a2b4f617e932c90bff4504a89389273632.1695721435.git.vinayak.yadawad@broadcom.com
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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cfg80211_rx_assoc_resp_data
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>
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struct nla_policy is usually constant itself, but unless
we make the ranges inside constant we won't be able to
make range structs const. The ranges are not modified
by the core.
Reviewed-by: Johannes Berg <johannes@sipsolutions.net>
Reviewed-by: David Ahern <dsahern@kernel.org>
Reviewed-by: Nikolay Aleksandrov <razor@blackwall.org>
Reviewed-by: Jiri Pirko <jiri@nvidia.com>
Link: https://lore.kernel.org/r/20231025162204.132528-1-kuba@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Resolve several conflicts, mostly between changes/fixes in
wireless and the locking rework in wireless-next. One of
the conflicts actually shows a bug in wireless that we'll
want to fix separately.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Kalle Valo <kvalo@kernel.org>
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If the structure is not initialized then boolean types might be copied
into the tracing data without being initialised. This causes data from
the stack to leak into the trace and also triggers a UBSAN failure which
can easily be avoided here.
Signed-off-by: Benjamin Berg <benjamin.berg@intel.com>
Link: https://lore.kernel.org/r/20230925171855.a9271ef53b05.I8180bae663984c91a3e036b87f36a640ba409817@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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Max Schulze reports crashes with brcmfmac. The reason seems
to be a race between userspace removing the CQM config and
the driver calling cfg80211_cqm_rssi_notify(), where if the
data is freed while cfg80211_cqm_rssi_notify() runs it will
crash since it assumes wdev->cqm_config is set. This can't
be fixed with a simple non-NULL check since there's nothing
we can do for locking easily, so use RCU instead to protect
the pointer, but that requires pulling the updates out into
an asynchronous worker so they can sleep and call back into
the driver.
Since we need to change the free anyway, also change it to
go back to the old settings if changing the settings fails.
Reported-and-tested-by: Max Schulze <max.schulze@online.de>
Closes: https://lore.kernel.org/r/ac96309a-8d8d-4435-36e6-6d152eb31876@online.de
Fixes: 4a4b8169501b ("cfg80211: Accept multiple RSSI thresholds for CQM")
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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Many regulatories can have HE/EHT Operation as not permitted. In such
cases, AP should not be allowed to start if it is using a channel
having the no operation flag set. However, currently there is no such
check in place.
Fix this issue by validating such IEs sent during start AP against the
channel flags.
Signed-off-by: Aditya Kumar Singh <quic_adisi@quicinc.com>
Reviewed-by: Jeff Johnson <quic_jjohnson@quicinc.com>
Link: https://lore.kernel.org/r/20230905064857.1503-1-quic_adisi@quicinc.com
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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When one of the links (other than the assoc_link) is misconfigured
and cannot work the association will fail. However, userspace was not
able to tell that the operation only failed because of a problem with
one of the links. Fix this, by allowing the driver to set a per-link
error code and reporting the (first) offending link by setting the
bad_attr accordingly.
This only allows us to report the first error, but that is sufficient
for userspace to e.g. remove the offending link and retry.
Signed-off-by: Benjamin Berg <benjamin.berg@intel.com>
Signed-off-by: Gregory Greenman <gregory.greenman@intel.com>
Link: https://lore.kernel.org/r/20230920211508.ebe63c0bd513.I40799998f02bf987acee1501a2522dc98bb6eb5a@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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Using the full struct cfg80211_ap_settings for an update is
misleading, since most settings cannot be updated. Split the
update case off into a new struct cfg80211_ap_update.
Change-Id: I3ba4dd9280938ab41252f145227a7005edf327e4
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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6 GHz regulatory domains introduces Power Spectral Density (PSD).
The PSD value of the regulatory rule should be taken into effect
for the ieee80211_channels falling into that particular regulatory
rule. Save the values in the channel which has PSD value and add
nl80211 attributes accordingly to handle it.
Co-developed-by: Aditya Kumar Singh <quic_adisi@quicinc.com>
Signed-off-by: Aditya Kumar Singh <quic_adisi@quicinc.com>
Signed-off-by: Wen Gong <quic_wgong@quicinc.com>
Link: https://lore.kernel.org/r/20230914082026.3709-1-quic_wgong@quicinc.com
[use hole in chan flags, reword docs]
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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FILS discovery and unsolicited broadcast probe response templates
need to be updated along with beacon templates in some cases such as
the channel switch operation. Add the missing implementation.
Signed-off-by: Aloka Dixit <quic_alokad@quicinc.com>
Reviewed-by: Jeff Johnson <quic_jjohnson@quicinc.com>
Link: https://lore.kernel.org/r/20230727174100.11721-5-quic_alokad@quicinc.com
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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Modify the prototype for change_beacon() in struct cfg80211_op to
accept cfg80211_ap_settings instead of cfg80211_beacon_data so that
it can process data in addition to beacons.
Modify the prototypes of ieee80211_change_beacon() and driver specific
functions accordingly.
Signed-off-by: Aloka Dixit <quic_alokad@quicinc.com>
Reviewed-by: Jeff Johnson <quic_jjohnson@quicinc.com>
Link: https://lore.kernel.org/r/20230727174100.11721-4-quic_alokad@quicinc.com
[while at it, remove pointless "if (info)" check in tracing that just
makes all the lines longer than they need be - it's never NULL]
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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Add a new flag 'update' which is set to true during start_ap()
if (and only if) one of the following two conditions are met:
- Userspace passed an empty nested attribute which indicates that
the feature should be disabled and templates deleted.
- Userspace passed all the parameters for the nested attribute.
Existing configuration will not be changed while the flag
remains false.
Add similar changes for unsolicited broadcast probe response
transmission.
Signed-off-by: Aloka Dixit <quic_alokad@quicinc.com>
Reviewed-by: Jeff Johnson <quic_jjohnson@quicinc.com>
Link: https://lore.kernel.org/r/20230727174100.11721-2-quic_alokad@quicinc.com
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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There really isn't any support for scanning at different
channel widths than 20 MHz since there's no way to set it.
Remove this support for now, if somebody wants to maintain
this whole thing later we can revisit how it should work.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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There were are a number of cases in mac80211 and iwlwifi (at
least) that used the sband->iftype_data pointer directly,
instead of using the accessors to find the right array entry
to use.
Make sparse warn when such a thing is done.
To not have a lot of casts, add two helper functions/macros
- ieee80211_set_sband_iftype_data()
- for_each_sband_iftype_data()
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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Since we're now protecting everything with the wiphy mutex
(and were really using it for almost everything before),
there's no longer any real reason to have a separate wdev
mutex. It may feel better, but really has no value.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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Add a new "for_each_rdev()" macro and check that we
hold the RTNL when calling it.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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The previous commit dd3e4fc75b4a ("nl80211/cfg80211: add BSS color to
NDP ranging parameters") adds a parameter for NDP ranging by introducing
a new attribute type named NL80211_PMSR_FTM_REQ_ATTR_BSS_COLOR.
However, the author forgot to also describe the nla_policy at
nl80211_pmsr_ftm_req_attr_policy (net/wireless/nl80211.c). Just
complement it to avoid malformed attribute that causes out-of-attribute
access.
Fixes: dd3e4fc75b4a ("nl80211/cfg80211: add BSS color to NDP ranging parameters")
Signed-off-by: Lin Ma <linma@zju.edu.cn>
Reviewed-by: Simon Horman <horms@kernel.org>
Link: https://lore.kernel.org/r/20230809033151.768910-1-linma@zju.edu.cn
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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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 checking via CONFIG_UBSAN_BOUNDS
(for array indexing) and CONFIG_FORTIFY_SOURCE (for strcpy/memcpy-family
functions).
As found with Coccinelle[1], add __counted_by for struct cfg80211_rnr_elems.
Additionally, since the element count member must be set before accessing
the annotated flexible array member, move its initialization earlier.
[1] https://github.com/kees/kernel-tools/blob/trunk/coccinelle/examples/counted_by.cocci
Cc: Johannes Berg <johannes@sipsolutions.net>
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>
Cc: linux-wireless@vger.kernel.org
Cc: netdev@vger.kernel.org
Signed-off-by: Kees Cook <keescook@chromium.org>
Reviewed-by: Gustavo A. R. Silva <gustavoars@kernel.org>
Reviewed-by: Jeff Johnson <quic_jjohnson@quicinc.com>
Link: https://lore.kernel.org/r/20230817211531.4193219-5-keescook@chromium.org
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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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 checking via CONFIG_UBSAN_BOUNDS
(for array indexing) and CONFIG_FORTIFY_SOURCE (for strcpy/memcpy-family
functions).
As found with Coccinelle[1], add __counted_by for struct cfg80211_mbssid_elems.
Additionally, since the element count member must be set before accessing
the annotated flexible array member, move its initialization earlier.
[1] https://github.com/kees/kernel-tools/blob/trunk/coccinelle/examples/counted_by.cocci
Cc: Johannes Berg <johannes@sipsolutions.net>
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>
Cc: linux-wireless@vger.kernel.org
Cc: netdev@vger.kernel.org
Signed-off-by: Kees Cook <keescook@chromium.org>
Reviewed-by: Gustavo A. R. Silva <gustavoars@kernel.org>
Reviewed-by: Jeff Johnson <quic_jjohnson@quicinc.com>
Link: https://lore.kernel.org/r/20230817211531.4193219-3-keescook@chromium.org
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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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 checking via CONFIG_UBSAN_BOUNDS
(for array indexing) and CONFIG_FORTIFY_SOURCE (for strcpy/memcpy-family
functions).
As found with Coccinelle[1], add __counted_by for struct cfg80211_acl_data.
Additionally, since the element count member must be set before accessing
the annotated flexible array member, move its initialization earlier.
[1] https://github.com/kees/kernel-tools/blob/trunk/coccinelle/examples/counted_by.cocci
Cc: Johannes Berg <johannes@sipsolutions.net>
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>
Cc: linux-wireless@vger.kernel.org
Cc: netdev@vger.kernel.org
Signed-off-by: Kees Cook <keescook@chromium.org>
Reviewed-by: Justin Stitt <justinstitt@google.com>
Reviewed-by: Gustavo A. R. Silva <gustavoars@kernel.org>
Reviewed-by: Jeff Johnson <quic_jjohnson@quicinc.com>
Link: https://lore.kernel.org/r/20230817211531.4193219-1-keescook@chromium.org
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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nl80211_parse_mbssid_elems() uses a u8 variable num_elems to count the
number of MBSSID elements in the nested netlink attribute attrs, which can
lead to an integer overflow if a user of the nl80211 interface specifies
256 or more elements in the corresponding attribute in userspace. The
integer overflow can lead to a heap buffer overflow as num_elems determines
the size of the trailing array in elems, and this array is thereafter
written to for each element in attrs.
Note that this vulnerability only affects devices with the
wiphy->mbssid_max_interfaces member set for the wireless physical device
struct in the device driver, and can only be triggered by a process with
CAP_NET_ADMIN capabilities.
Fix this by checking for a maximum of 255 elements in attrs.
Cc: stable@vger.kernel.org
Fixes: dc1e3cb8da8b ("nl80211: MBSSID and EMA support in AP mode")
Signed-off-by: Keith Yeo <keithyjy@gmail.com>
Link: https://lore.kernel.org/r/20230731034719.77206-1-keithyjy@gmail.com
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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STA MLD setup links may get removed if AP MLD remove the corresponding
affiliated APs with Multi-Link reconfiguration as described in
P802.11be_D3.0, section 35.3.6.2.2 Removing affiliated APs. Currently,
there is no support to notify such operation to cfg80211 and userspace.
Add support for the drivers to indicate STA MLD setup links removal to
cfg80211 and notify the same to userspace. Upon receiving such
indication from the driver, clear the MLO links information of the
removed links in the WDEV.
Signed-off-by: Veerendranath Jakkam <quic_vjakkam@quicinc.com>
Link: https://lore.kernel.org/r/20230317142153.237900-1-quic_vjakkam@quicinc.com
[rename function and attribute, fix kernel-doc]
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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For multi-link operation(MLO) TDLS management
frames need to be transmitted on a specific link.
The TDLS setup request will add BSSID along with
peer address and userspace will pass the link-id
based on BSSID value to the driver(or mac80211).
Signed-off-by: Mukesh Sisodiya <mukesh.sisodiya@intel.com>
Signed-off-by: Gregory Greenman <gregory.greenman@intel.com>
Link: https://lore.kernel.org/r/20230616094948.cb3d87c22812.Ia3d15ac4a9a182145bf2d418bcb3ddf4539cd0a7@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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An AP part of an AP MLD might be temporarily disabled, and might be
enabled later. Such a link should be included in the association
exchange, but should not be used until enabled.
Extend the NL80211_CMD_ASSOCIATE to also indicate disabled links.
Signed-off-by: Ilan Peer <ilan.peer@intel.com>
Signed-off-by: Gregory Greenman <gregory.greenman@intel.com>
Link: https://lore.kernel.org/r/20230608163202.c4c61ee4c4a5.I784ef4a0d619fc9120514b5615458fbef3b3684a@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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Increase the size of S1G rate_info flags to support S1G and add
flags for new S1G MCS and the supported bandwidths. Also, include
S1G rate information to netlink STA rate message. Lastly, add
rate calculation function for S1G MCS.
Signed-off-by: Gilad Itzkovitch <gilad.itzkovitch@morsemicro.com>
Link: https://lore.kernel.org/r/20230518000723.991912-1-gilad.itzkovitch@morsemicro.com
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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This work can now trivially be converted, it behaves
identical either way.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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Sending the wiphy out might cause calls to the driver,
notably get_txq_stats() and get_antenna(). These aren't
very important, since the normally have their own locks
and/or just send out static data, but if the contract
should be that the wiphy lock is always held, these are
also affected. Fix that.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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When trying to authenticate, if the AP MLD address isn't
a valid address, mac80211 can throw a warning. Avoid that
by rejecting such addresses.
Fixes: d648c23024bd ("wifi: nl80211: support MLO in auth/assoc")
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Gregory Greenman <gregory.greenman@intel.com>
Link: https://lore.kernel.org/r/20230604120651.89188912bd1d.I8dbc6c8ee0cb766138803eec59508ef4ce477709@changeid
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
Johannes Berg says:
====================
Major stack changes:
* TC offload support for drivers below mac80211
* reduced neighbor report (RNR) handling for AP mode
* mac80211 mesh fast-xmit and fast-rx support
* support for another mesh A-MSDU format
(seems nobody got the spec right)
Major driver changes:
Kalle moved the drivers that were just plain C files
in drivers/net/wireless/ to legacy/ and virtual/ dirs.
hwsim
* multi-BSSID support
* some FTM support
ath11k
* MU-MIMO parameters support
* ack signal support for management packets
rtl8xxxu
* support for RTL8710BU aka RTL8188GU chips
rtw89
* support for various newer firmware APIs
ath10k
* enabled threaded NAPI on WCN3990
iwlwifi
* lots of work for multi-link/EHT (wifi7)
* hardware timestamping support for some devices/firwmares
* TX beacon protection on newer hardware
* tag 'wireless-next-2023-03-30' of git://git.kernel.org/pub/scm/linux/kernel/git/wireless/wireless-next: (181 commits)
wifi: clean up erroneously introduced file
wifi: iwlwifi: mvm: correctly use link in iwl_mvm_sta_del()
wifi: iwlwifi: separate AP link management queues
wifi: iwlwifi: mvm: free probe_resp_data later
wifi: iwlwifi: bump FW API to 75 for AX devices
wifi: iwlwifi: mvm: move max_agg_bufsize into host TLC lq_sta
wifi: iwlwifi: mvm: send full STA during HW restart
wifi: iwlwifi: mvm: rework active links counting
wifi: iwlwifi: mvm: update mac config when assigning chanctx
wifi: iwlwifi: mvm: use the correct link queue
wifi: iwlwifi: mvm: clean up mac_id vs. link_id in MLD sta
wifi: iwlwifi: mvm: fix station link data leak
wifi: iwlwifi: mvm: initialize max_rc_amsdu_len per-link
wifi: iwlwifi: mvm: use appropriate link for rate selection
wifi: iwlwifi: mvm: use the new lockdep-checking macros
wifi: iwlwifi: mvm: remove chanctx WARN_ON
wifi: iwlwifi: mvm: avoid sending MAC context for idle
wifi: iwlwifi: mvm: remove only link-specific AP keys
wifi: iwlwifi: mvm: skip inactive links
wifi: iwlwifi: mvm: adjust iwl_mvm_scan_respect_p2p_go_iter() for MLO
...
====================
Link: https://lore.kernel.org/r/20230330205612.921134-1-johannes@sipsolutions.net
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Include S1G capabilities in netlink band info messages.
Signed-off-by: Kieran Frewen <kieran.frewen@morsemicro.com>
Co-developed-by: Gilad Itzkovitch <gilad.itzkovitch@morsemicro.com>
Signed-off-by: Gilad Itzkovitch <gilad.itzkovitch@morsemicro.com>
Link: https://lore.kernel.org/r/20230223212917.4010246-1-gilad.itzkovitch@virscient.com
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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Expose nl80211_send_chandef functionality for mac80211_hwsim or vendor
netlink can use it where needed.
Signed-off-by: Jaewan Kim <jaewan@google.com>
Reviewed-by: Michal Kubiak <michal.kubiak@intel.com>
Link: https://lore.kernel.org/r/20230322131637.2633968-3-jaewan@google.com
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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As per IEEE Std 802.11ax-2021, 11.1.3.8.3 Discovery of a nontransmitted
BSSID profile, an EMA AP that transmits a Beacon frame carrying a partial
list of nontransmitted BSSID profiles should include in the frame
a Reduced Neighbor Report element carrying information for at least the
nontransmitted BSSIDs that are not present in the Multiple BSSID element
carried in that frame.
Add new nested attribute NL80211_ATTR_EMA_RNR_ELEMS to support the above.
Number of RNR elements must be more than or equal to the number of
MBSSID elements. This attribute can be used only when EMA is enabled.
Userspace is responsible for splitting the RNR into multiple elements such
that each element excludes the non-transmitting profiles already included
in the MBSSID element (%NL80211_ATTR_MBSSID_ELEMS) at the same index.
Each EMA beacon will be generated by adding MBSSID and RNR elements
at the same index. If the userspace provides more RNR elements than the
number of MBSSID elements then these will be added in every EMA beacon.
Signed-off-by: Aloka Dixit <quic_alokad@quicinc.com>
Link: https://lore.kernel.org/r/20230323113801.6903-2-quic_alokad@quicinc.com
[Johannes: validate elements]
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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net/wireless/nl80211.c
b27f07c50a73 ("wifi: nl80211: fix puncturing bitmap policy")
cbbaf2bb829b ("wifi: nl80211: add a command to enable/disable HW timestamping")
https://lore.kernel.org/all/20230314105421.3608efae@canb.auug.org.au
tools/testing/selftests/net/Makefile
62199e3f1658 ("selftests: net: Add VXLAN MDB test")
13715acf8ab5 ("selftest: Add test for bind() conflicts.")
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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When disconnecting from an MLO connection we need the AP
MLD address, not an arbitrary BSSID. Fix the code to do
that.
Fixes: 9ecff10e82a5 ("wifi: nl80211: refactor BSS lookup in nl80211_associate()")
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Gregory Greenman <gregory.greenman@intel.com>
Link: https://lore.kernel.org/r/20230301115906.4c1b3b18980e.I008f070c7f3b8e8bde9278101ef9e40706a82902@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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This was meant to be a u32, and while applying the patch
I tried to use policy validation for it. However, not only
did I copy/paste it to u8 instead of u32, but also used
the policy range erroneously. Fix both of these issues.
Fixes: d7c1a9a0ed18 ("wifi: nl80211: validate and configure puncturing bitmap")
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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If, e.g. in AP mode, the link was already created by userspace
but not activated yet, it has a chandef but the chandef isn't
valid and has no channel. Check for this and ignore this link.
Fixes: 7b0a0e3c3a88 ("wifi: cfg80211: do some rework towards MLO link APIs")
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Gregory Greenman <gregory.greenman@intel.com>
Link: https://lore.kernel.org/r/20230301115906.71bd4803fbb9.Iee39c0f6c2d3a59a8227674dc55d52e38b1090cf@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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The cfg80211_scan_request structure is followed by a flexible array member
as well as several other arrays that are then stored into pointers in the
structure. These are allocated currently using a simple sequence of
multiplications.
Replace the calculations with struct_size(), size_add(), and array_size()
helper macros. These macros saturate the calculation at SIZE_MAX rather
than overflowing.
Note that we can't use flex_array_size() instead of array_size() because
the fields are not arrays, but simple pointers.
Signed-off-by: Jacob Keller <jacob.e.keller@intel.com>
Link: https://lore.kernel.org/r/20230228162827.3876606-3-jacob.e.keller@intel.com
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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For control port RX, report the link ID for MLO.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Gregory Greenman <gregory.greenman@intel.com>
Link: https://lore.kernel.org/r/20230301115906.fe06dfc3791b.Iddcab94789cafe336417be406072ce8a6312fc2d@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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Add a command to enable and disable HW timestamping of TM and FTM
frames. HW timestamping can be enabled for a specific mac address
or for all addresses.
The low level driver will indicate how many peers HW timestamping
can be enabled concurrently, and this information will be passed
to userspace.
Signed-off-by: Avraham Stern <avraham.stern@intel.com>
Signed-off-by: Gregory Greenman <gregory.greenman@intel.com>
Link: https://lore.kernel.org/r/20230301115906.05678d7b1c17.Iccc08869ea8156f1c71a3111a47f86dd56234bd0@changeid
[switch to needing netdev UP, minor edits]
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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Since cfg80211_bss_color_notify() is now always run in non-atomic
context, get rid of gfp_t flags in the routine signature and always use
GFP_KERNEL for netlink message allocation.
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Link: https://lore.kernel.org/r/c687724e7b53556f7a2d9cbe3d11cdcf065cb687.1675255390.git.lorenzo@kernel.org
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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Wi-Fi Aware R4 specification defines NAN Pairing which uses PASN handshake
to authenticate the peer and generate keys. Hence allow to register and transmit
the PASN authentication frames on NAN interface and set the keys to driver or
underlying modules on NAN interface.
The driver needs to configure the feature flag NL80211_EXT_FEATURE_SECURE_NAN,
which also helps userspace modules to know if the driver supports secure NAN.
Signed-off-by: Vinay Gannevaram <quic_vganneva@quicinc.com>
Link: https://lore.kernel.org/r/1675519179-24174-1-git-send-email-quic_vganneva@quicinc.com
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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Add puncturing bitmap in channel switch notifications
and corresponding trace functions.
Signed-off-by: Aloka Dixit <quic_alokad@quicinc.com>
Link: https://lore.kernel.org/r/20230131001227.25014-4-quic_alokad@quicinc.com
[fix qtnfmac]
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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- New feature flag, NL80211_EXT_FEATURE_PUNCT, to advertise
driver support for preamble puncturing in AP mode.
- New attribute, NL80211_ATTR_PUNCT_BITMAP, to receive a puncturing
bitmap from the userspace during AP bring up (NL80211_CMD_START_AP)
and channel switch (NL80211_CMD_CHANNEL_SWITCH) operations. Each bit
corresponds to a 20 MHz channel in the operating bandwidth, lowest
bit for the lowest channel. Bit set to 1 indicates that the channel
is punctured. Higher 16 bits are reserved.
- New members added to structures cfg80211_ap_settings and
cfg80211_csa_settings to propagate the bitmap to the driver after
validation.
Signed-off-by: Aloka Dixit <quic_alokad@quicinc.com>
Signed-off-by: Muna Sinada <quic_msinada@quicinc.com>
Link: https://lore.kernel.org/r/20230131001227.25014-3-quic_alokad@quicinc.com
[move validation against 0xffff into policy]
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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Add an error message to the missing frequency case to have all
-EINVAL in nl80211_parse_chandef() return a better error.
Signed-off-by: Jaewan Kim <jaewan@google.com>
Link: https://lore.kernel.org/r/20230130074514.1560021-1-jaewan@google.com
[rewrite commit message]
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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nl80211_send_ap_stopped() can be called multiple times on the same
netdev for each link when using Multi-Link Operation. Add the
MLO_LINK_ID attribute to the event to allow userspace to distinguish
which link the event is for.
Signed-off-by: Alvin Šipraga <alsi@bang-olufsen.dk>
Link: https://lore.kernel.org/r/20230128125844.2407135-2-alvin@pqrs.dk
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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Userspace processes such as network daemons may wish to be informed when
any AP interface is brought up on the system, for example to initiate a
(re)configuration of IP settings or to start a DHCP server.
Currently nl80211 does not broadcast any such event on its multicast
groups, leaving userspace only two options:
1. the process must be the one that actually issued the
NL80211_CMD_START_AP request, so that it can react on the response to
that request;
2. the process must react to RTM_NEWLINK events indicating a change in
carrier state, and may query for further information about the AP and
react accordingly.
Option (1) is robust, but it does not cover all scenarios. It is easy to
imagine a situation where this is not the case (e.g. hostapd +
systemd-networkd).
Option (2) is not robust, because RTM_NEWLINK events may be silently
discarded by the linkwatch logic (cf. linkwatch_fire_event()).
Concretely, consider a scenario in which the carrier state flip-flops in
the following way:
^ carrier state (high/low = carrier/no carrier)
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| _______ _______ ...
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| ______| "foo" |____| "bar" (SSID in "quotes")
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+-------A-------B----C---------> time
If the time interval between (A) and (C) is less than 1 second, then
linkwatch may emit only a single RTM_NEWLINK event indicating carrier
gain.
This is problematic because it is possible that the network
configuration that should be applied is a function of the AP's
properties such as SSID (cf. SSID= in systemd.network(5)). As
illustrated in the above diagram, it may be that the AP with SSID "bar"
ends up being configured as though it had SSID "foo".
Address the above issue by having nl80211 emit an NL80211_CMD_START_AP
message on the MLME nl80211 multicast group. This allows for arbitrary
processes to be reliably informed.
Signed-off-by: Alvin Šipraga <alsi@bang-olufsen.dk>
Link: https://lore.kernel.org/r/20230128125844.2407135-1-alvin@pqrs.dk
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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Add support to offload OWE processing to user space for MLD AP when
driver's SME in use.
Add new parameters in struct cfg80211_update_owe_info to provide below
information in cfg80211_update_owe_info_event() call:
- MLO link ID of the AP, with which station requested (re)association.
This is applicable for both MLO and non-MLO station connections when
the AP affiliated with an MLD.
- Station's MLD address if the connection is MLO capable.
Signed-off-by: Veerendranath Jakkam <quic_vjakkam@quicinc.com>
Link: https://lore.kernel.org/r/20230126143256.960563-3-quic_vjakkam@quicinc.com
[reformat the trace event macro]
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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Add support for drivers to indicate STA connection(MLO/non-MLO) when
user space SME (e.g., hostapd) is not used for MLD AP.
Add new parameters in struct station_info to provide below information
in cfg80211_new_sta() call:
- MLO link ID of the AP, with which station completed (re)association.
This is applicable for both MLO and non-MLO station connections when
the AP affiliated with an MLD.
- Station's MLD address if the connection is MLO capable.
- (Re)Association Response IEs sent to the station. User space needs
this to determine rejected and accepted affiliated links information
of the connected station if the connection is MLO capable.
Signed-off-by: Veerendranath Jakkam <quic_vjakkam@quicinc.com>
Link: https://lore.kernel.org/r/20230126143256.960563-2-quic_vjakkam@quicinc.com
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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