When connecting to an AP, we currently initialize the rate
control only after associating. Since we now use firmware
to assign rates to auth/assoc frames rather than using the
data in the station and the firmware doesn't know, they're
transmitted using low mandatory rates. However, if the AP
advertised only higher supported rates we want to use them
to be nicer (it still must receive mandatory rates though),
so send the information to the firmware earlier to have it
know about it and be able to use it.
Fixes: 499d027904 ("wifi: iwlwifi: Use FW rate for non-data frames")
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Miri Korenblit <miriam.rachel.korenblit@intel.com>
Link: https://msgid.link/20240128084842.ed7ab1c859c2.I4b4d4fc3905c8d8470fc0fee4648f25c950c9bb7@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
The function to add an interface may be called without a previous
removal if the HW is being reconfigured. As such, only add the symlink
if the hardware is not being reconfigured due to a HW_RESTART.
Fixes: c36235acb3 ("wifi: iwlwifi: mvm: rework debugfs handling")
Signed-off-by: Benjamin Berg <benjamin.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/20240123200528.314395eacda4.I5823e962c3c3674b942383733debd10b3fe903e2@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
The wiphy_work infra ensures that the entire worker will run
with the wiphy mutex. It is useful to have RX handlers
running as a wiphy_work, when we don't want the handler to
run in parallel with mac80211 work (to avoid races).
For example - BT notification can disable eSR starting from the next
patch.
In ieee80211_set_active_links we first check that eSR is
allowed, (drv_can_activate_links) and then activate it.
If the BT notif was received after drv_can_activate_links
(which returned true), and before the activation - eSR will be
activated when it shouldn't.
If BT notif is handled with the wiphy mutex, it can't run in
parallel to ieee80211_set_active_links, which also holds that
mutex.
Add the necessary infrastructure here, for use in the next commit.
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/20240123200528.ce83d16cdec8.I35ef53fa23f58b9ec17924099238b61deafcecd7@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
There's either the pldr_sync case, in which case we didn't want
or do the retry loops anyway, or things will just continue to
fail. Remove the retry loop that was added in a previous attempt
to address the issue that was later (though still a bit broken)
addressed by the pldr_sync case.
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/20240123200528.f80a88a18799.I48f21eda090f4cc675f40e99eef69a986d21b500@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
ENOTSUPP isn't a standard error code, don't use it. Replace with
EOPNOTSUPP 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/20231219215605.a69f4347b5f8.I88429d5de8251287ec0b58ff26a588465b9049a5@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
For now, this isn't allowed. The API to mac80211 isn't great
for this, but we need to change the API to move puncturing
into the chanctx/chandef, and will do it better then.
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/20231219215605.38955b68b429.I0c4ae99179b271648a747a51eb04853504c7952c@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
The new firmware API uses a new command and notification,
the command configures in which statistics types driver is
interested and the notification is sent periodically.
An additional change in the API is that most of the statistics
data is accumulated and reported by the firmware per MLO link.
Implement new command and notification handlers and adjust to
per-link statistics.
Signed-off-by: Anjaneyulu <pagadala.yesu.anjaneyulu@intel.com>
Signed-off-by: Gregory Greenman <gregory.greenman@intel.com>
Link: https://lore.kernel.org/r/20231022173519.8cc7df0ebff2.If1dcb57145841c5b3c68ed112bbfcd0201f7acc3@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
In order to get regulatory domain, driver sends MCC_UPDATE_CMD to the
FW. One of the parameters in the response is the status which can tell
if the regdomain has changed or not.
When iwl_mvm_init_mcc() is called during iwl_op_mode_mvm_start(), then
sband is still NULL and channel parameters (i.e. chan->flags) cannot be
initialized. When, further in the flow, iwl_mvm_update_mcc() is called
during iwl_mvm_up(), it first checks if the regdomain has changed and
then skips the update if it remains the same. But, since channel
parameters weren't initialized yet, the update should be forced in this
codepath. Fix that by adding a corresponding parameter to
iwl_mvm_init_fw_regd().
Signed-off-by: Gregory Greenman <gregory.greenman@intel.com>
Link: https://lore.kernel.org/r/20231017115047.78b2c5b891b0.Iac49d52e0bfc0317372015607c63ea9276bbb188@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Multi rx queue allows to spread the load of the Rx streams on different
CPUs. 9000 series required complex synchronization mechanisms from the
driver side since the hardware / firmware is not able to provide
information about duplicate packets and timeouts inside the reordering
buffer.
Users have complained that for newer devices, all those synchronization
mechanisms have caused spurious packet drops. Those packet drops
disappeared if we simplify the code, but unfortunately, we can't have
RSS enabled on 9000 series without this complex code.
Remove support for RSS on 9000 so that we can make the code much simpler
for newer devices and fix the bugs for them.
The down side of this patch is a that all the Rx path will be routed to
a single CPU, but this has never been an issue, the modern CPUs are just
fast enough to cope with all the traffic.
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Gregory Greenman <gregory.greenman@intel.com>
Link: https://lore.kernel.org/r/20231017115047.2917eb8b7af9.Iddd7dcf335387ba46fcbbb6067ef4ff9cd3755a7@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
In new firmware, we don't need this any more and it won't
be called any more by mac80211, since powersave handling
is all done by firmware. Remove it from the MLD ops.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Gregory Greenman <gregory.greenman@intel.com>
Link: https://lore.kernel.org/r/20231017115047.1a1ded96ffc2.Ie49d3004acdd6299fb84346c76b2b2b2f195196b@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
As session protection API is moving to be per link instead of per mac,
move the time events to be per link too.
Since there is only one concurrent time event per mac, it feels
unnecessary to have the time_event as a member of iwl_mvm_link_info.
(That way we will have to iterate over all links each time we want to
clear a time event, and also we will need mac80211 to tell us the link
id when mgd_tx_complete() is called.)
So leave this as a member of iwl_mvm_vif, but add the link id to the
time_event structure.
The link id in time_event will only be maintained and used for:
1. When SESSION_PROTECTION_CMD is supported (before it, we don't have MLO)
2. For time_events of types SESSION_PROTECT_CONF_ASSOC,
SESSION_PROTECT_CONF_P2P_DEVICE_DISCOV, and
SESSION_PROTECT_CONF_P2P_GO_NEGOTIATION
(not for aux roc/ Hot Spot time_events).
For P2P, non-MLO connections, and pre-MLD API, deflink id, meaning 0,
will be used
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/20231017115047.21496bcacb18.I79d037325b4fae4c12a22d9477e53fc9c537ad46@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
When I implemented iwl_mvm_mac_flush_sta() I completely botched it;
it basically always happens after the iwl_mvm_sta_pre_rcu_remove()
call, and that already clears mvm->fw_id_to_mac_id[] entries, so we
cannot rely on those at iwl_mvm_mac_flush_sta() time. This means it
never did anything.
Fix this by just going through the station IDs and now with the new
API for iwl_mvm_flush_sta(), call those.
Fixes: a6cc6ccb1c ("wifi: iwlwifi: mvm: support new flush_sta method")
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Gregory Greenman <gregory.greenman@intel.com>
Link: https://lore.kernel.org/r/20231011130030.0b5878e93118.I1093e60163052e7be64d2b01424097cd6a272979@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
This API is type unsafe and needs an extra parameter to know
what kind of station was passed, so it has two, but really it
only needs two values. Just pass the values instead of doing
this type-unsafe dance, which will also make it better to use
for multi-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/20231011130030.aeb3bf4204cd.I5b0e6d64a67455784bc8fbdaf9ceaf03699d9ce1@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
We seem to have an issue in case we had a BSS and a P2P device on
channel 1 and then, the P2P device gets an ROC on channel 6. We would
change the channel of the PHY context to channel 6 even if the BSS was
using that same PHY context.
Revamp that code and don't try to change a PHY context, it doesn't mean
much for the firmware anyway. Just remove it and allocate a new one.
This makes the logic easier to follow.
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Gregory Greenman <gregory.greenman@intel.com>
Link: https://lore.kernel.org/r/20231011130030.4bc8b90d7be0.I1232dca3fe007362ec0ae0cf1d96217f2544e0d2@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
When we want to add a phy_ctxt, we need to increase the ref.
Note that all the WARN_ONs are already in place:
* We check that we don't add a context with ref != 0
* We check that we don't modify a context with ref = 0
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Gregory Greenman <gregory.greenman@intel.com>
Link: https://lore.kernel.org/r/20231011130030.c19c07746b26.I5b0cbe0760811631a320218a10b88870b5bf0897@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
From its very first stages of development, iwlmvm added all the PHY
context immediately upon firmware boot. Then, all we needed to do is to
modify the contexts. This was fine if the addition of a PHY context that
we don't need is free. This was true until now. Newer devices will run
calibrations upon the addition of a PHY context.
Change the way we work with PHY context in iwlmvm. Fortunately, we
already have all the ref counting in place so that it is not very hard
to do.
Also, since we now remove the PHY context before the link is removed
(but after it has been de-activated of course), it'll confuse the
firmware if we put the late phy_id into the LINK command that removes
the link. Change this to put an invalid phy_id just like we do when we
add a link that has no PHY context yet.
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Gregory Greenman <gregory.greenman@intel.com>
Link: https://lore.kernel.org/r/20231011130030.55a1a78719be.I2032a7d227b57f4fc4370a2793476d47538404fd@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
bss_info_changed() callback of mac80211 was originally in both
MLD and non-MLD API. Therefore, we extracted the common part
to a function which receives a callback structure with the
mode-specific (non-MLO\MLO) ops. Eventually, for MLO API,
bss_info_changed() callback was split into 2 callbacks:
link_info_changed() and vif_cfg_changed() so it is no longer in use
for MLO, only for non-MLO.
Remove the code that uses the mode-specific callback structure.
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/20231011130030.b65fbcdb9295.I2a64a6f1178ee0466755d728addc77acbb2ed6f4@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
It is not necessary to keep the P2P Device bound/linked to a PHY
context when there is no active ROC.
Modify the P2P Device flows so the binding/linking would be done
only while ROC is active. With this change the switch_phy_ctxt()
is no longer needed so remove it.
Signed-off-by: Ilan Peer <ilan.peer@intel.com>
Signed-off-by: Gregory Greenman <gregory.greenman@intel.com>
Link: https://lore.kernel.org/r/20231004123422.c5b83b4bf9de.Ia80daf3ba0b5fec7d0919247fcbdbdb58bddf02b@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Add simple logic that would allow using EMLSR in case
there are multiple valid links:
- In case the connection establishment has just been
completed try to find a valid link pair for EMLSR
functionality where one of the links in the pair is
the current active link.
- In case the valid links changed after connection
was already established, try to find a valid link pair
for EMLSR functionality, in case the EMSLR is not active
yet.
If a valid link pair is found call mac80211 to asynchronously
set the new link pair, otherwise continue using the current active
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/20231004123422.0c7b89ab29c2.I6600bd16551d75e2bf520d8d0add525568a9f85f@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
mac80211 added a new callback to add a vif debugfs.
Implement it instead of adding the debugfs directly,
which will make it properly preserved over switching
the vif from non-MLD/MLD and back.
This requires some rework so that we still have the
symlink but trust mac80211 to add/remove the debugfs.
Signed-off-by: Miri Korenblit <miriam.rachel.korenblit@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Gregory Greenman <gregory.greenman@intel.com>
Link: https://lore.kernel.org/r/20231004123422.818810e242e6.I805a28f9fbef5c52a3a575d04e7a6a909ecf9078@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
We can't really know easily if a BIGTK will be used, but
in case firmware supports BIGTK it also supports the very
easy IGTK use (nothing to do on the host), and requires
that we program both IGTK and BIGTK to be able to use the
BIGTK. Thus, change the condition here to set the keys in
firmware (both IGTK/BIGTK) if BIGTK is supported.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Gregory Greenman <gregory.greenman@intel.com>
Link: https://lore.kernel.org/r/20230926110319.425ebc1ce484.If485ec962636c23d463b678e7da86e11b6fa86c9@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
The management frames protection flag is always set when the station
is not yet authorized. However, it was not cleared after association
even if the association did not use MFP. As a result, all public
action frames are not parsed by fw (which will cause FTM to fail,
for example). Update the station MFP flag after the station is
authorized.
Fixes: 4c8d5c8d07 ("wifi: iwlwifi: mvm: tell firmware about per-STA MFP enablement")
Signed-off-by: Avraham Stern <avraham.stern@intel.com>
Signed-off-by: Gregory Greenman <gregory.greenman@intel.com>
Link: https://lore.kernel.org/r/20230926110319.2488cbd01bde.Ic0f08b7d3efcbdce27ec897f84d740fec8d169ef@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
set_antenna() is supported only when the device is not started in
mac80211 which translates to the firmware not being loaded in iwlwifi.
The tricky part is that iwlwifi populates the sband data during its boot
and doesn't touch this data afterwards, but if the antenna settings
forbid MIMO, we need to update the sband data.
Rework the nvm parsing code to allow to get an existing nvm_data and
modify the sband with additional constraints (tx / rx chains masks).
Suggested-by: Ben Greear <greearb@candelatech.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Gregory Greenman <gregory.greenman@intel.com>
Link: https://lore.kernel.org/r/20230921110726.81d94d630c95.I9473da818cbeeb51b2f89dcc59b00019113e7f55@changeid
[add bugfix from Benjamin for iwl_mvm_get_valid_rx_ant()]
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
If the firmware crashes in the de-activation / re-activation
of the link during CSA, we will not have a valid phy_ctxt
pointer in mvmvif. This is a legit case, but when mac80211
removes the station to cleanup our state during the
re-configuration, we need to make sure we clear ap_sta
otherwise we won't re-add the station after the firmware has
been restarted. Later on, we'd activate the link, try to send
a TLC command crash again on ASSERT 3508.
Fix this by properly cleaning up our state.
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Gregory Greenman <gregory.greenman@intel.com>
Link: https://lore.kernel.org/r/20230913145231.2651e6f6a55a.I4cd50e88ee5c23c1c8dd5b157a800e4b4c96f236@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
If the channel bandwidth is greater or equal than 80MHz,
enable FILS DF transmittion, even if the control channel is non-PSC.
That's because that in 80MHz there must be a sub 20MHz PSC
channel, and since the FILS DF is duplicated on all sub 20MHz
channels, within the 80MHz (hence it will be sent on a PSC channel).
Also, if FILS DF Tx is enabled, always configure the firmware
with the actual channel bandwidth, even before there is a connected
client (rather than the minimum bandwidth e.g. 20MHz), since FILS
DF transmission on a PSC channel take presedent over power
consumption.
Signed-off-by: Shaul Triebitz <shaul.triebitz@intel.com>
Signed-off-by: Gregory Greenman <gregory.greenman@intel.com>
Link: https://lore.kernel.org/r/20230913145231.83b9a76fc6c4.I6703111cc6befcd0e9cd9adf3cb127a648dbb7b1@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
If the device initialized with ME active, this would indeed
work, since the NVM information would be obtained from ME.
However, in the much more likely case that ME isn't active
and the firmware takes actions requiring the sync, this was
not working correctly when the firmware is only run at init
to obtain NVM data, since mac80211 isn't even initialized.
Fix this by moving the 'pldr_sync' handling to a different
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/20230913145231.45a94d480e56.Id9277f1df6a63ab0dfca0d0c0f448c759e1b8e73@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Some cases of restart crashing here have been reported,
while we figure out where this is going wrong, check
the link more carefully to avoid the crash.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Gregory Greenman <gregory.greenman@intel.com>
Link: https://lore.kernel.org/r/20230830112059.2b81f52ce18e.I8f3b1962013107e2d7491d817c3349359341c6ee@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
If there's an alternative link to use while the CSA is in
progress, there's no need to disconnect since another link
is still usable during the switching time. Change the code
here to handle that accordingly.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Gregory Greenman <gregory.greenman@intel.com>
Link: https://lore.kernel.org/r/20230830112059.dd1b96a37e51.Idafdcbfcb36ca4c486f4221aef77643869331514@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
In the spec, CSA is defined roughly as follows:
- TBTT x: beacon with CSA, count=n (old channel)
- TBTT x+1: beacon with CSA, count=n-1 (old channel)
- TBTT x+n-1: beacon with CSA, count=1 (old channel)
"A Channel Switch Count field set to 1 indicates that the switch
occurs immediately before the next TBTT.
- TBTT x+n: beacon without CSA (new channel)
When we detect it, we currently schedule the CSA event to
be at 10 TUs before TBTT x+n-1, for a beacon interval, to
give us quiet time.
When this event *starts*, we currently notify mac80211
that the channel switch happened, which causes us to add
a session protection event to listen for the first beacon
(and enable TX etc. when that arrives).
We don't even ask for a notification when this event ends
so the code that handles that is effectively dead code.
The session protection duration is 3 beacon intervals,
scheduled at 10 TU before TBTT x+n-1. It will thus end
just before TBTT x+n+2.
Unfortunately, if the AP doesn't transmit or we miss just
the first two beacons on the new channel, then this will
cause us to disconnect. Or even just one, if the AP isn't
quite aligned with the TBTT after the switch.
However, listening to the _end_ of the time event isn't
what we want either, because we want all the new PHY and
other config that needs to come from mac80211 to start
early, so we have a head-start for the new channel, since
we're not going to use the old one anyway for this time.
So since we don't really have anything better to do at
this time, and this is relatively rare, just make the
session protection use 5x the beacon interval instead of
just 3x, so it's more likely we catch a beacon even if
the AP neglected to send it, or we just miss 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/20230830112059.a74176bac37c.I029a2ebcd1b5012327c728ffa1d33fac19cfdf4b@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Pass the right link_id to ieee80211_chswitch_done.
Use the link_conf parameter passed to post_channel_switch() to get the
right ap_sta_id.
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Gregory Greenman <gregory.greenman@intel.com>
Link: https://lore.kernel.org/r/20230830112059.19470584fa51.Iad38b5369bededaa126b3eb3cff79f23d61bd783@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
This allows to finalize the CSA per link.
In case the switch didn't work, tear down the MLD connection.
Also pass the ieee80211_bss_conf to post_channel_switch to let the
driver know which link completed the switch.
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Gregory Greenman <gregory.greenman@intel.com>
Link: https://lore.kernel.org/r/20230828130311.3d3eacc88436.Ic2d14e2285aa1646216a56806cfd4a8d0054437c@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
When hostapd starts up, it may start up with only one link
while the other is still scanning for overlapping BSSes. A
station might start to connect at this point, but we run
into this warning instead. Since there's no need to check
for _all_ links, restrict the check to just the affected
links that the STA will be using.
Fixes: 57974a55d9 ("wifi: iwlwifi: mvm: refactor iwl_mvm_mac_sta_state_common()")
Reported-by: Miri Korenblit <miriam.rachel.korenblit@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Gregory Greenman <gregory.greenman@intel.com>
Link: https://lore.kernel.org/r/20230620125813.c3d5a006ec21.Ib4715381f598f4c18d67cd9598ebd5cdbe7d2b09@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Newest firmware don't advertise the version of ADD_STA because it has
been replaced by another command. There are old firmware images
that also don't advertise it. Replace all the checks with a new
inline, and in that check for either MLD API or the ADD_STA
command version.
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Gregory Greenman <gregory.greenman@intel.com>
Link: https://lore.kernel.org/r/20230613155501.4b9305510223.I7cc143d87186f8441e9b8435cc550b76734c7eef@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
The firmware only supports a single IGTK, and due to some
changes it really doesn't like to have multiple programmed
in later versions. Since only newer firmware cannot remove
a key that isn't present any more, adjust only the MLD API
code to keep track of the previous IGTK and remove it when
a new one is added.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Gregory Greenman <gregory.greenman@intel.com>
Link: https://lore.kernel.org/r/20230613155501.3fde1ef09270.I2e12a3b0bba4325c07dc8fcce39b711f158bd621@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
The iwl_mvm_get_lmac_id() function is currently
defined as a static inline function under fw/api
and receives mvm's fw pointer. It will need the
ability to access other mvm struct members for
future capabilities such as debug. Move the function
out of the fw/api and into mvm proper as a regular
function and have it receive the pointer to mvm.
Signed-off-by: Ariel Malamud <ariel.malamud@intel.com>
Signed-off-by: Gregory Greenman <gregory.greenman@intel.com>
Link: https://lore.kernel.org/r/20230613155501.507b2f9f64eb.I0ec91310e1911c33faf396b5e17bcb11a164f6ea@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
The firmware needs to know the esr_transtition_timeout to time the
transition between EMLSR and single radio with the AP.
Add the EMLSR support bit to the wiphy extended capabilities so that
it'll be sent in our association request frame. There are some
limitations in the implementation so we cannot use zero
padding/transition delay; fill the correct values.
Also, feed the medium_synchronization delay to the firmware.
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Gregory Greenman <gregory.greenman@intel.com>
Link: https://lore.kernel.org/r/20230612184434.09fa06820d03.Ie9a9fd37d4948f8c5dd91161de254184b1a093c0@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Add support for the MCC update response version 8.
Versions 5-6 are already covered by the existing
flags conversion, and 7 isn't used.
The capabilities field in iwl_mcc_update_resp is 32 bits
wide now, and the flags moved, so some more changes are
needed.
While at it, convert the flags to bool (to avoid having
to deal with BIT(16) specially etc.) and use the
struct_size() macro for the memory allocation.
Signed-off-by: Abhishek Naik <abhishek.naik@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Gregory Greenman <gregory.greenman@intel.com>
Link: https://lore.kernel.org/r/20230612184434.71a7070aecd7.Ibddcb9fbfa74895f742c0ac20968720691c94853@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
All of the station elements are really elements for the link. Create
them from the correct callback and return the link specific information
rather than always using the default 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/20230612184434.a8e0c40d325e.I374d9433c3b8694667e1ce550d65f6f1f0d23c05@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
There's quite a bit of code accessing sband iftype data
(HE, HE 6 GHz, EHT) and we always need to remember to use
the ieee80211_vif_type_p2p() helper. Add new helpers to
directly get it from the sband/vif rather than having to
call ieee80211_vif_type_p2p().
Convert most code with the following spatch:
@@
expression vif, sband;
@@
-ieee80211_get_he_iftype_cap(sband, ieee80211_vif_type_p2p(vif))
+ieee80211_get_he_iftype_cap_vif(sband, vif)
@@
expression vif, sband;
@@
-ieee80211_get_eht_iftype_cap(sband, ieee80211_vif_type_p2p(vif))
+ieee80211_get_eht_iftype_cap_vif(sband, vif)
@@
expression vif, sband;
@@
-ieee80211_get_he_6ghz_capa(sband, ieee80211_vif_type_p2p(vif))
+ieee80211_get_he_6ghz_capa_vif(sband, vif)
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.db099f49e764.Ie892966c49e22c7b7ee1073bc684f142debfdc84@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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>
This reverts commit b70813e4a8 ("wifi: iwlwifi: update response
for mcc_update command") since it causes a merge conflict, and it
seems easier to redo the patch later.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
This warning is sometimes happening if we force a FW error
while disconnecting, which is annoying but harmless.
However, it's also pointless to throw a warning here, since
the stack and driver state doesn't really help, so just
remove that so the driver will ignore the error if any.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Gregory Greenman <gregory.greenman@intel.com>
Link: https://lore.kernel.org/r/20230531194630.29fe6990d372.I00ff5dc7bfb4025a609f380a0a3911d842b72449@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Add support for the MCC update response version 8.
Versions 5-6 are already covered by the existing
flags conversion, and 7 isn't used.
The capabilities field in iwl_mcc_update_resp is 32 bits
wide now, and the flags moved, so some more changes are
needed.
While at it, convert the flags to bool (to avoid having
to deal with BIT(16) specially etc.) and use the
struct_size() macro for the memory allocation.
Signed-off-by: Abhishek Naik <abhishek.naik@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Gregory Greenman <gregory.greenman@intel.com>
Link: https://lore.kernel.org/r/20230524203151.fd9016f8f994.Ibddcb9fbfa74895f742c0ac20968720691c94853@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
This bitmap equals to zero when in a non-MLO mode, and then we won't
be iterating on any link. Use for_each_sta_active_link() instead, as
it handles also the case of non-MLO mode.
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/20230514120631.f32a8c08730a.Ib02248cd0b7f2bc885f91005c3c110dd027f9dcd@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
There are some assertions in the STA removal code that can
fail, and in that case we may leak memory since we skip
the freeing.
Fix this by freeing the dup_data earlier in the function,
we already have a check for when we free the station, and
this we don't need to do it with and without MLD API, so
it's a win all around.
Fixes: a571f5f635 ("iwlwifi: mvm: add duplicate packet detection per rx queue")
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Gregory Greenman <gregory.greenman@intel.com>
Link: https://lore.kernel.org/r/20230514120631.173938681d72.Iff4b55fc52943825d6e3e28d78a24b155ea5cd22@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Track instead whether or not the station was authorized, that's
clearer than trying to indicate in the code whether or not the
full bandwidth should be used via an 'update' argument.
While at it, give rs_fw_rate_init() the iwl_mvm_ prefix.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Gregory Greenman <gregory.greenman@intel.com>
Link: https://lore.kernel.org/r/20230417113648.92bd8d36e311.I1877a109104d5ffeaaad6a623e89f0c44decc38e@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Since only clients to an AP can be 20MHz-only STAs, adjust the
code to not make the use of EHT capabilities depend on only the
bandwidth, but also the type of interface.
Fixes: 701404f109 ("wifi: iwlwifi: rs: add support for parsing max MCS per NSS/BW in 11be")
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Gregory Greenman <gregory.greenman@intel.com>
Link: https://lore.kernel.org/r/20230417113648.a3a4c931e4a3.I693a07f4d88044c889eee04793883a83bc5ee362@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
When this is called it might crash due to the use of
deflink's phy context, update all links instead. It
really shouldn't be called right now though, but it's
better to have safer code until we update this to be
with a link parameter.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Gregory Greenman <gregory.greenman@intel.com>
Link: https://lore.kernel.org/r/20230417113648.fd47d0de8319.I87c5e5bcb2fadd70acc32021eed394fc1eea12a4@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
If we have MLO, then the deflink.ap_sta_id cannot be used.
However, we can use the new mvmvif->ap_sta pointer for the
validation instead.
Also don't do it multiple times for different FW instances
of the same AP STA (TDLS STAs are only on a single link).
Note that this isn't really working right yet since the
underlying flush code hasn't been updated yet to know of
multiple link STAs.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Gregory Greenman <gregory.greenman@intel.com>
Link: https://lore.kernel.org/r/20230414130637.7d747df44d65.Ie5392859fab4cfb73c20b49bfee2caadef5fd8ec@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Instead of relying on the AP STA ID and dereferencing our
firmware -> mac80211 STA array when we really only need
the STA, not the per-link information (and might not have
it, e.g. for a pairwise key installation where this is
relevant), keep track of the AP STA as a pointer to the
mac80211 STA, protected by the mutex. Then use it here in
the key code instead.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Gregory Greenman <gregory.greenman@intel.com>
Link: https://lore.kernel.org/r/20230414130637.7db01b1508de.I88e6d252cdb0a6e4581d7c5fd7cbc037b4fd40ae@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
beacon_inject_active turns true and false via debugfs when we inject a
beacon. During the time of the beacon injection we can't configure the
FW with a beacon cmd. If we have a hw restart during the beacon injection
then in the recovery flow we will not be able to configure the beacon
cmd to the FW. Fix this by cleaning up this variable after an hw restart.
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/20230413213309.b021bce5e162.Ia5a0a0b5d8734f63077ceaac936176a345f8d3d1@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Due to hardware limitations when splitting up A-MSDUs, it
cannot handle an arbitrary number of MSDUs per A-MSDU. Set
the bits to ask transmitters to send only 8 MSDUs in one
A-MSDU.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Gregory Greenman <gregory.greenman@intel.com>
Link: https://lore.kernel.org/r/20230413213309.e6c518f2724f.I15c13d13b38289edbcd64f67d57cf18f6026457a@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Since Gl A-step devices use the old checksum hardware,
we shouldn't use the Bz code to check for A-MSDU
combining ability; fix that.
Fixes: ec18e7d4d2 ("wifi: iwlwifi: mvm: use old checksum for Bz A-step")
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Gregory Greenman <gregory.greenman@intel.com>
Link: https://lore.kernel.org/r/20230413102635.8c445b943fee.Ibf772102ca712f59e2ee0cdd4c344011fcf445aa@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
* 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
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Merge tag 'wireless-next-2023-03-30' of 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>
Use the new macros from mac80211 that do lockdep checking
on the RCU dereferences, instead of hard-coding 1 as the
argument to rcu_dereference_protected().
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Gregory Greenman <gregory.greenman@intel.com>
Link: https://lore.kernel.org/r/20230329100039.112df5c8dec2.I1a1008f5566e509953d988f254d15c9e58630418@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
When we remove the AP station, we iterate over the links
and remove all the keys, however, the key iteration will
return all keys for all links, so skip the ones that we
don't need based on the link ID.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Gregory Greenman <gregory.greenman@intel.com>
Link: https://lore.kernel.org/r/20230329100039.e724878f502e.I66870d4629244b4b309be79e11cbbd384bdf93be@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Add a fw_id_to_link_sta array in mvm to track the link
STA for each firmware station ID, and then use that to
report the link a frame was received on (since we know
the station ID from firmware).
Notably, this fixes beacon tracking for the correct link
since mac80211 now queues and processes those on the one
link identified by the link ID only.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Gregory Greenman <gregory.greenman@intel.com>
Link: https://lore.kernel.org/r/20230329100039.c7dd3ec18077.I12ef9eb4a5b8b5c2b9d6bcaa1fda73b59eba39d8@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
For management frames sent by an AP interface, translate
the MLD addresses to LINK addresses (for an MLD AP).
AP (non-bufferable) management frames are sent via
the broadcast station so the translation cannot be
done by the firmware.
Signed-off-by: Shaul Triebitz <shaul.triebitz@intel.com>
Signed-off-by: Gregory Greenman <gregory.greenman@intel.com>
Link: https://lore.kernel.org/r/20230329100039.3cb4292f51e8.Ia662c00ff271c70eda927c12ed49b045b1eb8489@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
It has to be done per link. We still don't support keys
configuration for several links, but the single vif link can
still point to a link different from deflink. For now handle
the removal of keys for the default link.
Signed-off-by: Gregory Greenman <gregory.greenman@intel.com>
Link: https://lore.kernel.org/r/20230329100039.19d729cc4654.I4ebe8e3eb5fc00a994761f7c0ad40107382705ca@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
We're hitting these while starting to enable MLO in the
driver, but getting them each and every time isn't very
useful one way or the other. Make these warnings trigger
only once.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Gregory Greenman <gregory.greenman@intel.com>
Link: https://lore.kernel.org/r/20230329100039.f333741d3dcf.If063d4cfe8a583f0f980a1b0ae4e63e17ba4ddc9@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
With newer MLD firmware API we no longer need beacon timing
information from the host, so disable TIMING_BEACON_ONLY.
If MLO is enabled (currently only for testing), then we must
not have DEAUTH_NEED_MGD_TX_PREP because mac80211 doesn't
support it yet, we'll have to fix that later.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Gregory Greenman <gregory.greenman@intel.com>
Link: https://lore.kernel.org/r/20230329100039.28ec631487bf.I6eb27c3d4c0289a5ec3682f573aae3424f45619f@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Implement the link change ops for links and stations.
Note that the stations one is empty for now as we only
have support for a single link so far, and then the
stations are created with the first link as deflink by
mac80211, so right now we don't really need anything.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Gregory Greenman <gregory.greenman@intel.com>
Link: https://lore.kernel.org/r/20230328104949.6186c5a37e99.Ifd00d3ee93356ddef273aa18f1e081cd8f2c84ae@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
These are two new handlers for MLO. As the configurations done in
bss_info_changed() are now split into two separate flows, use MLO
specific implementation instead of common functions with the non-MLO
code.
Signed-off-by: Gregory Greenman <gregory.greenman@intel.com>
Link: https://lore.kernel.org/r/20230328104949.7b238cae0895.Ieb87f204787fb1c7cb7562e1cbf54ef518d87123@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
The firmware now allows adding a link that's not yet bound
to a PHY context. Make use of that to align the driver with
mac80211's API expectations. For now, just add the link at
the same time as the MAC since we don't yet have real MLD
support, but that'll obviously change later. This fixes an
issue with apStaId tracking in the firmware.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Gregory Greenman <gregory.greenman@intel.com>
Link: https://lore.kernel.org/r/20230328104949.097e5008b637.I4e75c6c11e21c08d28ff6a066be36629d3975db6@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
HE/EHT support is reported to FW if there's at least one link
that supports it. Configure beacon separately for each link.
Don't send the beacon template before adding the MAC.
Co-developed-by: Johannes Berg <johannes.berg@intel.com>
Co-developed-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Gregory Greenman <gregory.greenman@intel.com>
Link: https://lore.kernel.org/r/20230328104949.5ef4efeda2dd.I6ebda2b71c964b9aa63240c9fa1ee0d28099fe6e@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
These flows are the same in both MLD API and the current API,
except for the commands that are being sent during this flows.
Instead of checking each time before calling these floews
what API we use and then call the correct function, call always the old
one, which in turn will call the new one in case we're using the MLD
API.
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/20230328104948.5692d8dea9be.Ib1882b2c2f0b0603abc4b7d4a0ecc45cd1fbf9a7@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
This flow is almost the same for both MLD and non-MLD modes,
except for some function calls. Therefore there is no reason to
add an MLD version of this flow. Instead - put the parts that are unique
for each mode in helper functions, and in the next patch each version of
this flow will call the common part with pointers to its specific
helper functions.
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/20230328104948.61bc077a7f3c.Ia3aa81d3293792bf8f80528dbc67a711ce334b32@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Johannes Berg
Benjamin Berg
Miri Korenblit
Andrei Otcheretianski
Anjaneyulu
Gregory Greenman
Emmanuel Grumbach
Shaul Triebitz
Ilan Peer
Avraham Stern
Ariel Malamud
Abhishek Naik
Jakub Kicinski