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path: root/net/mac80211/ieee80211_i.h
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2023-09-25wifi: mac80211: use bandwidth indication element for CSAJohannes Berg1-1/+2
In CSA, parse the (EHT) bandwidth indication element and use it (in fact prefer it if present). Signed-off-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: Gregory Greenman <gregory.greenman@intel.com> Link: https://lore.kernel.org/r/20230920211508.43ef01920556.If4f24a61cd634ab1e50eba43899b9e992bf25602@changeid Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2023-09-13wifi: mac80211: remove shifted rate supportJohannes Berg1-37/+2
We really cannot even get into this as we can't have a BSS with a 5/10 MHz (scan) width, and therefore all the code handling shifted rates cannot happen. Remove it all, since it's broken anyway, at least with MLO. Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2023-09-13wifi: cfg80211: remove scan_width supportJohannes Berg1-2/+1
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>
2023-09-11wifi: mac80211: fix various kernel-doc issuesJohannes Berg1-7/+11
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>
2023-09-11wifi: mac80211: remove unnecessary struct forward declarationJohannes Berg1-1/+0
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>
2023-09-11wifi: cfg80211: add ieee80211_fragment_element to public APIBenjamin Berg1-2/+0
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>
2023-09-11wifi: cfg80211: remove wdev mutexJohannes Berg1-24/+6
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>
2023-09-11wifi: mac80211: remove local->mtxJohannes Berg1-3/+0
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>
2023-09-11wifi: mac80211: remove ampdu_mlme.mtxJohannes Berg1-9/+5
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>
2023-09-11wifi: mac80211: remove chanctx_mtxJohannes Berg1-4/+3
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>
2023-09-11wifi: mac80211: remove key_mtxJohannes Berg1-6/+0
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>
2023-09-11wifi: mac80211: remove sta_mtxJohannes Berg1-3/+2
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>
2023-09-11wifi: mac80211: move color change finalize to wiphy workJohannes Berg1-2/+3
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>
2023-09-11wifi: mac80211: move CSA finalize to wiphy workJohannes Berg1-2/+2
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>
2023-09-11wifi: mac80211: move filter reconfig to wiphy workJohannes Berg1-1/+1
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>
2023-09-11wifi: mac80211: move tspec work to wiphy workJohannes Berg1-1/+1
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>
2023-09-11wifi: mac80211: move key tailroom work to wiphy workJohannes Berg1-1/+1
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>
2023-09-11wifi: mac80211: move TDLS work to wiphy workJohannes Berg1-2/+2
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>
2023-09-11wifi: mac80211: move sched-scan stop work to wiphy workJohannes Berg1-2/+3
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>
2023-09-11wifi: mac80211: move dynamic PS to wiphy workJohannes Berg1-4/+6
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>
2023-09-11wifi: mac80211: move link activation work to wiphy workJohannes Berg1-1/+1
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>
2023-09-11wifi: mac80211: move offchannel works to wiphy workJohannes Berg1-2/+2
Make the offchannel works wiphy works to have the wiphy locked for executing them. Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2023-09-11wifi: mac80211: move monitor work to wiphy workJohannes Berg1-1/+1
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>
2023-09-11wifi: mac80211: move scan work to wiphy workJohannes Berg1-2/+2
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>
2023-09-11wifi: mac80211: move radar detect work to wiphy workJohannes Berg1-2/+3
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>
2023-09-11wifi: mac80211: move DFS CAC work to wiphy workJohannes Berg1-2/+2
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>
2023-09-11wifi: mac80211: convert A-MPDU work to wiphy workJohannes Berg1-1/+1
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>
2023-09-11wifi: mac80211: fix SMPS status handlingJohannes Berg1-3/+4
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>
2023-09-11wifi: mac80211: Fix SMPS handling in the context of MLOIlan Peer1-1/+1
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>
2023-09-11wifi: mac80211: rework ack_frame_id handling a bitJohannes Berg1-0/+5
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>
2023-08-22wifi: mac80211: Remove unused function declarationsYue Haibing1-2/+0
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>
2023-06-21wifi: mac80211: store BSS param change count from assoc responseJohannes Berg1-0/+2
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>
2023-06-19wifi: mac80211: Support link removal using Reconfiguration ML elementIlan Peer1-0/+3
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>
2023-06-19wifi: mac80211: add set_active_links variant not locking sdataBenjamin Berg1-0/+1
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>
2023-06-19wifi: mac80211: Add support for parsing Reconfiguration Multi Link elementIlan Peer1-0/+5
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>
2023-06-19wifi: mac80211: Rename multi_linkIlan Peer1-4/+5
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>
2023-06-19wifi: mac80211: use cfg80211 defragmentation helperBenjamin Berg1-0/+2
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>
2023-06-19wifi: mac80211: use new inform_bss callbackBenjamin Berg1-0/+3
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>
2023-06-19wifi: mac80211: Add HE and EHT capa elements in TDLS framesAbhishek Naik1-0/+1
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>
2023-06-19wifi: cfg80211: make TDLS management link-awareMukesh Sisodiya1-4/+4
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>
2023-06-19wifi: mac80211: Support disabled links during associationIlan Peer1-1/+3
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>
2023-06-19Merge wireless into wireless-nextJohannes Berg1-1/+1
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>
2023-06-14wifi: mac80211: Add getter functions for vif MLD stateIlan Peer1-1/+1
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>
2023-06-12wifi: mac80211: fragment per STA profile correctlyBenjamin Berg1-1/+1
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>
2023-06-07wifi: mac80211: mlme: move disconnects to wiphy workJohannes Berg1-2/+2
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>
2023-06-07wifi: mac80211: ibss: move disconnect to wiphy workJohannes Berg1-1/+1
Move the IBSS disconnect work to be a wiphy work. Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2023-06-07wifi: mac80211: use wiphy work for channel switchJohannes Berg1-2/+1
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>
2023-06-07wifi: mac80211: use wiphy work for SMPSJohannes Berg1-1/+1
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>
2023-06-07wifi: mac80211: use wiphy work for sdata->workJohannes Berg1-1/+1
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>
2023-06-07Merge wireless into wireless-nextJohannes Berg1-1/+2
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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