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Somehow an extra 'e' slipped in there without anyone noticing,
drop that from ieeee80211_obss_color_collision_notify().
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Due to the two cherry picked commits from wireless to wireless-next we have
several conflicts in mt76. To avoid any bugs with conflicts merge wireless into
wireless-next.
96f134dc19 wifi: mt76: handle possible mt76_rx_token_consume failures
fe13dad899 wifi: mt76: dma: do not increment queue head if mt76_dma_add_buf fails
In ieee80211_lookup_key, the variable named `local` is unused if
compiled without lockdep, getting this warning:
net/mac80211/cfg.c: In function ‘ieee80211_lookup_key’:
net/mac80211/cfg.c:542:26: error: unused variable ‘local’ [-Werror=unused-variable]
struct ieee80211_local *local = sdata->local;
^~~~~
Fix it with __maybe_unused.
Fixes: 8cbf0c2ab6 ("wifi: mac80211: refactor some key code")
Signed-off-by: Íñigo Huguet <ihuguet@redhat.com>
Link: https://lore.kernel.org/r/20221111153622.29016-1-ihuguet@redhat.com
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
All drivers are now using mac80211 internal queues (iTXQs).
Drop mac80211 internal support for the old push path.
Signed-off-by: Alexander Wetzel <alexander@wetzel-home.de>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
We should set the parameters here per link, except
unfortunately ap_isolate, but we can't really change
that anymore so it'll remain a quirk in the API in
that you need to change it on one of the valid links
and it'll apply to all.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
From 'IEEE Std 802.11-2020 section 11.8.8.4.1':
The mesh channel switch may be triggered by the need to avoid
interference to a detected radar signal, or to reassign mesh STA
channels to ensure the MBSS connectivity.
A 20/40 MHz MBSS may be changed to a 20 MHz MBSS and a 20 MHz
MBSS may be changed to a 20/40 MHz MBSS.
Since the standard allows the change of bandwidth during
the channel switch in mesh, remove the bandwidth check present in
ieee80211_set_csa_beacon.
Fixes: c6da674aff ("{nl,cfg,mac}80211: enable the triggering of CSA frame in mesh")
Signed-off-by: Hari Chandrakanthan <quic_haric@quicinc.com>
Link: https://lore.kernel.org/r/1658903549-21218-1-git-send-email-quic_haric@quicinc.com
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Implement key installation and lookup (on TX and RX)
for MLO, so we can use multiple GTKs/IGTKs/BIGTKs.
Co-authored-by: Ilan Peer <ilan.peer@intel.com>
Signed-off-by: Ilan Peer <ilan.peer@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Add support for various key operations on MLD by adding new parameter
link_id. Pass the link_id received from userspace to driver for add_key,
get_key, del_key, set_default_key, set_default_mgmt_key and
set_default_beacon_key to support configuring keys specific to each MLO
link. Userspace must not specify link ID for MLO pairwise key since it
is common for all the MLO links.
Signed-off-by: Veerendranath Jakkam <quic_vjakkam@quicinc.com>
Link: https://lore.kernel.org/r/20220730052643.1959111-4-quic_vjakkam@quicinc.com
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
If there's no link ID, then check that there are no changes to
the link, and if so accept them, unless a new link is created.
While at it, reject creating a new link without an address.
This fixes authorizing an MLD (peer) that has no link 0.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
In sta_apply_parameters(), we really no longer need to
check that the link or sband exists, in fact, that's
harmful if link 0 doesn't exist, since then this will
fail.
Just remove this check, it was added for validation of
the sband where used, but it's not used here, it's now
only used in sta_link_apply_parameters() which has an
own lookup and check.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Add more sanity checks to the API handling, we shouldn't
be able to create a station without links, nor should we
be able to add a link to a station that wasn't created as
an MLD with links in the first place.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
When modifying a link station, validate that the link address
doesn't change, except the first time the link is created.
Fixes: b95eb7f0ee ("wifi: cfg80211/mac80211: separate link params from station params")
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
If we have a non-MLD STA on an AP MLD, we crash while
adding the station. Fix that, in this case we need to
use the STA's address also on the link data structure.
Fixes: f36fe0a2df ("wifi: mac80211: fix up link station creation/insertion")
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
When an MLO AP is transmitting to a non-MLO station, addr2 should be set
to a link address. This should be done before the frame is encrypted as
otherwise aad verification would fail. In case of software encryption
this can't be left for the device to handle, and should be done by
mac80211 when building the frame hdr.
Signed-off-by: Andrei Otcheretianski <andrei.otcheretianski@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
When we create a station with a non-default link, then
we should have a link address, and we definitely need
to insert it into the link hash table on insertion.
Split the API into with and without link creation and
if it has a link, insert the link into the link hash
table on sta_info_insert().
Fixes: ba6ddab94f ("wifi: mac80211: maintain link-sta hash table")
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
In AP/mesh where the stations are added by userspace, we
limit the number of A-MSDU subframes according to the
extended capabilities.
Refactor the code and extend that also to client-side.
Fixes: 506bcfa8ab ("mac80211: limit the A-MSDU Tx based on peer's capabilities")
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
When calling start/stop_ap(), mac80211 already has a protected
link_conf pointer. Pass it to the driver, so it shouldn't
handle RCU protection.
Signed-off-by: Gregory Greenman <gregory.greenman@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
With the split into keys[]/deflink.gtk[] arrays, WEP keys are
still installed into the keys[] array, but we didn't look them
up there. This meant they weren't deleted correctly.
Fix this by looking up the key there even if it's not pairwise
so we can be sure we don't have it.
Fixes: bfd8403add ("wifi: mac80211: reorg some iface data structs for MLD")
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Since links can be added and removed dynamically, we need to
somehow protect the sdata->link[] and vif->link_conf[] array
pointers from disappearing when accessing them without locks.
RCU-ify the pointers to achieve this, which requires quite a
bit of rework.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Put the link_station_parameters structure in the station_parameters
structure (and remove the station_parameters fields already existing
in link_station_parameters).
Now, for an MLD station, the default link is added together with
the station.
Signed-off-by: Shaul Triebitz <shaul.triebitz@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
This reverts commits 6a789ba679 and
2433647bc8.
The virtual time scheduler code has a number of issues:
- queues slowed down by hardware/firmware powersave handling were not properly
handled.
- on ath10k in push-pull mode, tx queues that the driver tries to pull from
were starved, causing excessive latency
- delay between tx enqueue and reported airtime use were causing excessively
bursty tx behavior
The bursty behavior may also be present on the round-robin scheduler, but there
it is much easier to fix without introducing additional regressions
Signed-off-by: Felix Fietkau <nbd@nbd.name>
Acked-by: Toke Høiland-Jørgensen <toke@toke.dk>
Link: https://lore.kernel.org/r/20220625212411.36675-1-nbd@nbd.name
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
We need to be able to access these in a race-free way under
traffic while adding/removing them, so RCU-ify the pointers.
This requires passing a link_sta to a lot of functions so
we don't have to do the RCU handling everywhere.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Use link and link_conf according to the link_id
provided by cfg in start_ap/stop_ap and change_beacon.
Also use them in the functions called by them.
Note that for a non MLD device, the link_id is 0,
and link[0] and link_conf[0] equal to deflink and
bss_conf respectively (what was there before).
Also, call vif_info_change for BSS related changes (SSID), and
link_info_change for LINK related changes (instead of the
legacy bss_info_change).
Signed-off-by: Shaul Triebitz <shaul.triebitz@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
When a link is added or removed via nl80211, these are
called. Implement them so we don't have to check in all
the different per-link commands whether we've already
created the necessary datastructures.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Add the necessary infrastructure, including a new driver
method, to add/remove links to/from a station. To do this,
refactor the link alloc/free a bit, splitting that so we
can do it without linking them, to handle failures better.
Note that a station entry must be created representing an
MLD or a non-MLD STA, it cannot change between the two.
When representing an MLD, the 'deflink' is used for the
first link, which might be removed later, in which case
the memory isn't reused.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Start making some SMPS related code MLD-aware. This isn't
really done yet, but again cuts down our 'deflink' reliance.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
