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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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Since the changed field size was increased to u64, mesh_bss_info_changed
pulls invalid bits from the first 3 bytes of the mesh id, clears them, and
passes them on to ieee80211_link_info_change_notify, because
ifmsh->mbss_changed was not updated to match its size.
Fix this by turning into ifmsh->mbss_changed into an unsigned long array with
64 bit size.
Fixes: 15ddba5f4311 ("wifi: mac80211: consistently use u64 for BSS changes")
Reported-by: Thomas Hühn <thomas.huehn@hs-nordhausen.de>
Signed-off-by: Felix Fietkau <nbd@nbd.name>
Link: https://lore.kernel.org/r/20230913050134.53536-1-nbd@nbd.name
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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There are various kernel-doc issues here, fix them.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Gregory Greenman <gregory.greenman@intel.com>
Link: https://lore.kernel.org/r/20230827135854.7ce9761f9ebb.I0f44e76c518f72135cc855c809bfa7a5e977b894@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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This just causes kernel-doc to complain at this spot, but
isn't actually needed anyway, so remove it.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Gregory Greenman <gregory.greenman@intel.com>
Link: https://lore.kernel.org/r/20230827135854.33a5591dfdeb.If4e7e1a1cb4c04f0afd83db7401c780404dca699@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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This function will be used by the kunit tests within cfg80211. As it
is generally useful, move it from mac80211 to cfg80211.
Signed-off-by: Benjamin Berg <benjamin.berg@intel.com>
Signed-off-by: Gregory Greenman <gregory.greenman@intel.com>
Link: https://lore.kernel.org/r/20230827135854.5af9391659f5.Ie534ed6591ba02be8572d4d7242394f29e3af04b@changeid
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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We now hold the wiphy mutex everywhere that we use or
needed the local->mtx, so we don't need this mutex any
more. Remove it.
Most of this change was done automatically with spatch.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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We now hold the wiphy mutex everywhere that we use or
needed the A-MPDU locking, so we don't need this mutex
any more. Remove it.
Most of this change was done automatically with spatch.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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We now hold the wiphy mutex everywhere that we use or
needed the chanctx_mtx, so we don't need this mutex any
more. Remove it.
Most of this change was done automatically with spatch.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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We now hold the wiphy mutex everywhere that we use or
needed the key_mtx, so we don't need this mutex any
more. Remove it.
Most of this change was done automatically with spatch.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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We now hold the wiphy mutex everywhere that we use or
needed the sta_mtx, so we don't need this mutex any
more. Remove it.
Most of this change was done automatically with spatch.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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Again this should be per link and will get cancellation
issues, move it to a wiphy work.
Reviewed-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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This work should be made per link as well, and then
will have cancellation issues. Moving it to a wiphy
work already fixes those beforehand.
Reviewed-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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This again is intended for future cleanups that are
possible when mac80211 and drivers can assume the
wiphy is locked.
Reviewed-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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One more work that will now execute with the wiphy
locked, for future cleanups.
Reviewed-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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This way we hold the wiphy mutex there, as a step towards
removing some of the additional locks we have.
Reviewed-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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Again, to have the wiphy locked for it.
Reviewed-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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This also has the wiphy locked here then. We need to use
the _locked version of cfg80211_sched_scan_stopped() now,
which also fixes an old deadlock there.
Fixes: a05829a7222e ("cfg80211: avoid holding the RTNL when calling the driver")
Reviewed-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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Along with everything else, move the dynamic PS work
to be a wiphy work, to simplify locking later.
Reviewed-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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We want to have the wiphy locked for these as well,
so move it to be a wiphy work.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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Make the offchannel works wiphy works to have the
wiphy locked for executing them.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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Again this serves to simplify the locking in mac80211
in the future, since this is a relatively complex work.
Reviewed-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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Move the scan work to wiphy work, which also simplifies
the way we handle the work vs. the scan configuration.
Reviewed-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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Move the radar detect work to wiphy work in order
to lock the wiphy for it without doing it manually.
Reviewed-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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Move the DFS CAC work over to hold the wiphy lock
there without worry about work cancellation.
Reviewed-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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Convert the A-MPDU work to wiphy work so it holds the
wiphy mutex and we can later guarantee that to drivers.
It might seem that we could run these concurrently for
different stations, but they're all on the ordered
mac80211 workqueue, so this shouldn't matter for that.
Reviewed-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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The current SMPS status handling isn't per link, so we only
ever change the deflink, which is obviously wrong, it's not
even used for multi-link connections, but the request API
actually includes the link ID.
Use the new status_data changes to move the handling to the
right link, this also saves parsing the frame again on the
status report, instead we can now check only if it was an
SMPS frame.
Of course, move the worker to be a wiphy work so that we're
able to cancel it safely for the link.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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When the connection is a MLO connection, a SMPS request should be
sent on a specific link, as SMPS is BSS specific, and the DA and BSSID
used for the action frame transmission should be the AP MLD address, as
the underlying driver is expected to perform the address translation
(based on the link ID).
Fix the SMPS request handling to use the AP MLD address and provide the
link ID for the request processing during Tx.
Signed-off-by: Ilan Peer <ilan.peer@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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Take one more free bit to indicate it's IDR vs. internal
usage, to be able to carve out some bits here for other
internal usage, other than IDR handling with a full ACK
SKB, that is.
Reviewed-by: Benjamin Berg <benjamin.berg@intel.com>
Reviewed-by: Ilan Peer <ilan.peer@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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Commit 685429623f88 ("mac80211: Fix circular locking dependency in
ARP filter handling") left the ieee80211_set_arp_filter() declaration
unused.
And commit 164eb02d070a ("mac80211: add radar detection command/event")
introducted ieee80211_dfs_cac_timer() declaration but never implemented
it.
Signed-off-by: Yue Haibing <yuehaibing@huawei.com>
Reviewed-by: Simon Horman <horms@kernel.org>
Link: https://lore.kernel.org/r/20230801134337.24452-1-yuehaibing@huawei.com
[reword commit message]
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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When receiving a multi-link association response, make sure to
track the BSS parameter change count for each link, including
the assoc link.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Gregory Greenman <gregory.greenman@intel.com>
Link: https://lore.kernel.org/r/20230619161906.1799c164e7e9.I8e2c1f5eec6eec3fab525ae2dead9f6f099a2427@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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Add support for handling link removal indicated by the
Reconfiguration Multi-Link element.
Signed-off-by: Ilan Peer <ilan.peer@intel.com>
Signed-off-by: Gregory Greenman <gregory.greenman@intel.com>
Link: https://lore.kernel.org/r/20230618214436.d8a046dc0c1a.I4dcf794da2a2d9f4e5f63a4b32158075d27c0660@changeid
[use cfg80211_links_removed() API instead]
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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There are cases where keeping sdata locked for an operation. Add a
variant that does not take sdata lock to permit these usecases.
Signed-off-by: Benjamin Berg <benjamin.berg@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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Parse Reconfiguration Multi Link IE.
Signed-off-by: Ilan Peer <ilan.peer@intel.com>
Signed-off-by: Gregory Greenman <gregory.greenman@intel.com>
Link: https://lore.kernel.org/r/20230616094949.6eeb6c9a4a6e.I1cb137da9b3c712fc7c7949a6dec9e314b5d7f63@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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As a preparation to support Reconfiguration Multi Link
element, rename 'multi_link' and 'multi_link_len' fields
in 'struct ieee802_11_elems' to 'ml_basic' and 'ml_basic_len'.
Signed-off-by: Ilan Peer <ilan.peer@intel.com>
Signed-off-by: Gregory Greenman <gregory.greenman@intel.com>
Link: https://lore.kernel.org/r/20230616094949.b11370d3066a.I34280ae3728597056a6a2f313063962206c0d581@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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Use the shared functionality rather than copying it into mac80211.
Signed-off-by: Benjamin Berg <benjamin.berg@intel.com>
Signed-off-by: Gregory Greenman <gregory.greenman@intel.com>
Link: https://lore.kernel.org/r/20230616094949.7dcbf82baade.Ic68d1f547cb75d66037abdbb0f066db20ff41ba3@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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Doing this simplifies the code somewhat, as iteration over the
nontransmitted BSSs is not required anymore. Also, mac80211 should
not be iterating over the nontrans_list as it should only be accessed
while the bss_lock is held.
It also simplifies parsing of the IEs somewhat, as cfg80211 already
extracts the IEs and passes them to the callback.
Note that the only user left requiring parsing a specific BSS is the
association code if a beacon is required by the hardware.
Signed-off-by: Benjamin Berg <benjamin.berg@intel.com>
Signed-off-by: Gregory Greenman <gregory.greenman@intel.com>
Link: https://lore.kernel.org/r/20230616094949.39ebfe2f9e59.Ia012b08e0feed8ec431b666888b459f6366f7bd1@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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Add HE and EHT capabilities IE in TDLS setup request,
response, confirm and discovery response frames.
Signed-off-by: Abhishek Naik <abhishek.naik@intel.com>
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.c77128828b0d.Ied2d8800847c759718c2c35e8f6c0902afd6bca1@changeid
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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When the association is complete, do not configure disabled
links, and track them as part of the interface data.
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.c194fabeb81a.Iaefdef5ba0492afe9a5ede14c68060a4af36e444@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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There are some locking changes that will later otherwise
cause conflicts, so merge wireless into wireless-next to
avoid those.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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As a preparation to support disabled/dormant links, add the
following function:
- ieee80211_vif_usable_links(): returns the bitmap of the links
that can be activated. Use this function in all the places that
the bitmap of the usable links is needed.
- ieee80211_vif_is_mld(): returns true iff the vif is an MLD.
Use this function in all the places where an indication that the
connection is a MLD is needed.
Signed-off-by: Ilan Peer <ilan.peer@intel.com>
Signed-off-by: Gregory Greenman <gregory.greenman@intel.com>
Link: https://lore.kernel.org/r/20230608163202.86e3351da1fc.If6fe3a339fda2019f13f57ff768ecffb711b710a@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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When fragmenting the ML per STA profile, the element ID should be
IEEE80211_MLE_SUBELEM_PER_STA_PROFILE rather than WLAN_EID_FRAGMENT.
Change the helper function to take the to be used element ID and pass
the appropriate value for each of the fragmentation levels.
Fixes: 81151ce462e5 ("wifi: mac80211: support MLO authentication/association with one link")
Signed-off-by: Benjamin Berg <benjamin.berg@intel.com>
Signed-off-by: Gregory Greenman <gregory.greenman@intel.com>
Link: https://lore.kernel.org/r/20230611121219.9b5c793d904b.I7dad952bea8e555e2f3139fbd415d0cd2b3a08c3@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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Move the beacon loss work that might cause a disconnect
and the CSA disconnect work to be wiphy work, so we hold
the wiphy lock for them.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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Move the IBSS disconnect work to be a wiphy work.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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Channel switch obviously must be handled per link, and we
have a (potential) deadlock when canceling that work. Use
the new delayed wiphy work to handle this instead and get
rid of the explicit timer that way too.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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SMPS requests are per link, and currently there's a potential
deadlock with canceling. Use the new wiphy work to handle SMPS
instead, so that the cancel cannot deadlock.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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We'll need this later to convert other works that might
be cancelled from here, so convert this one first.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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There are a number of upcoming things in both the stack and
drivers that would otherwise conflict, so merge wireless to
wireless-next to be able to avoid those conflicts.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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If we have a reconfig failure in the driver, then we need
to shut down the network interface(s) at the network stack
level through cfg80211, which can result in a lot of those
"Failed check-sdata-in-driver check, ..." warnings, since
interfaces are considered to not be in the driver when the
reconfiguration fails, but we still need to go through all
the shutdown flow.
Avoid many of these warnings by storing the fact that the
stack experienced a reconfiguration failure and not doing
the warning in that case.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Gregory Greenman <gregory.greenman@intel.com>
Link: https://lore.kernel.org/r/20230604120651.3750c4ae6e76.I9e80d6026f59263c008a1a68f6cd6891ca0b93b0@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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