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Vineet Gupta
8747ff704a ARC: mm: support 4 levels of page tables 
Acked-by: Mike Rapoport <rppt@linux.ibm.com>
Signed-off-by: Vineet Gupta <vgupta@kernel.org>
 2021-08-26 13:43:19 -07:00
Vineet Gupta
2dde02ab6d ARC: mm: support 3 levels of page tables 
ARCv2 MMU is software walked and Linux implements 2 levels of paging: pgd/pte.
Forthcoming hw will have multiple levels, so this change preps mm code
for same. It is also fun to try multi levels even on soft-walked code to
ensure generic mm code is robust to handle.

overview
________

2 levels {pgd, pte} : pmd is folded but pmd_* macros are valid and operate on pgd
3 levels {pgd, pmd, pte}:
  - pud is folded and pud_* macros point to pgd
  - pmd_* macros operate on actual pmd

code changes
____________

1. #include <asm-generic/pgtable-nopud.h>

2. Define CONFIG_PGTABLE_LEVELS 3

3a. Define PMD_SHIFT, PMD_SIZE, PMD_MASK, pmd_t
3b. Define pmd_val() which actually deals with pmd
    (pmd_offset(), pmd_index() are provided by generic code)
3c. pmd_alloc_one()/pmd_free() also provided by generic code
    (pmd_populate/pmd_free already exist)

4. Define pud_none(), pud_bad() macros based on generic pud_val() which
   internally pertains to pgd now.
4b. define pud_populate() to just setup pgd

Acked-by: Mike Rapoport <rppt@linux.ibm.com>
Signed-off-by: Vineet Gupta <vgupta@kernel.org>
 2021-08-26 13:43:19 -07:00
Vineet Gupta
9f3c76aedc ARC: mm: switch to asm-generic/pgalloc.h 
With previous patch ARC pgalloc functions are same as generic, hence
switch to that.

Suggested-by: Mike Rapoport <rppt@linux.ibm.com>
Acked-by: Mike Rapoport <rppt@linux.ibm.com>
Signed-off-by: Vineet Gupta <vgupta@kernel.org>
 2021-08-26 13:43:19 -07:00
Vineet Gupta
d9820ff76f ARC: mm: switch pgtable_t back to struct page * 
So far ARC pgtable_t has not been struct page based to avoid extra
page_address() calls involved. However the differences are down to
noise and get in the way of using generic code, hence this patch.

This also allows us to reuse generic THP depost/withdraw code.

There's some additional consideration for PGDIR_SHIFT in 4K page config.
Now due to page tables being PAGE_SIZE deep only, the address split
can't be really arbitrary.

Tested-by: kernel test robot <lkp@intel.com>
Suggested-by: Mike Rapoport <rppt@linux.ibm.com>
Acked-by: Mike Rapoport <rppt@linux.ibm.com>
Signed-off-by: Vineet Gupta <vgupta@kernel.org>
 2021-08-26 13:42:42 -07:00
Johannes Berg
e257d969f3 iwlwifi: mvm: don't use FW key ID in beacon protection 
To check beacon protection had a mismatch of the key ID we
currently use the key ID from the firmware, but firmware
side we want to clean up the API to stop reporting this.

Instead, check the IWL_RX_MPDU_STATUS_KEY_VALID bit that
indicates that the firmware used the correct key, and if
that's set but we get invalid MIC/replay use the key ID
from the frame to look up the key and notify mac80211 of
MIC error or replay. Since both keys must have the same
cipher and thus MIC length, we can use either of them to
look up the MIC length.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Link: https://lore.kernel.org/r/iwlwifi.20210826224715.30e665d39b07.I78bf7d304ef5a80cecf5fa1c1fca0b51b956cceb@changeid
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
 2021-08-26 23:38:18 +03:00
Ilan Peer
090f1be3ab iwlwifi: mvm: Fix scan channel flags settings 
The iwl_mvm_scan_ch_n_aps_flag() is called with a variable
before the value of the variable is set. Fix it.

Signed-off-by: Ilan Peer <ilan.peer@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Link: https://lore.kernel.org/r/iwlwifi.20210826224715.f6f188980a5e.Ie7331a8b94004d308f6cbde44e519155a5be91dd@changeid
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
 2021-08-26 23:38:17 +03:00
Shaul Triebitz
cde5dbaa35 iwlwifi: mvm: support broadcast TWT alone 
Tell the firmware about broadcast TWT support
even if individual TWT is not supported.
In that case the firmware will negotiate only
a broadcast TWT session.

Signed-off-by: Shaul Triebitz <shaul.triebitz@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Link: https://lore.kernel.org/r/iwlwifi.20210826224715.556934ed023a.I843677252be64f4732e434ab9ef72f487625e49e@changeid
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
 2021-08-26 23:38:17 +03:00
Gregory Greenman
fb3fac5faf iwlwifi: mvm: introduce iwl_stored_beacon_notif_v3 
The new version sends station id in the notification. It's still not
used, but need to adjust the code since the offset of the data was
changed.

Signed-off-by: Gregory Greenman <gregory.greenman@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Link: https://lore.kernel.org/r/iwlwifi.20210826224715.87bc9e45c40b.I770493dc4a293ed8bdf059518e94dccf5dd1b3a7@changeid
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
 2021-08-26 23:38:17 +03:00
Dror Moshe
b05c1d14a1 iwlwifi: move get pnvm file name to a separate function 
Move code that generates the pnvm file name to a separate function,
so that it can be reused.

Signed-off-by: Dror Moshe <drorx.moshe@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Link: https://lore.kernel.org/r/iwlwifi.20210826224715.7d2dd18c75a2.I3652584755b9ab44909ddcd09ff4d80c6690a1ad@changeid
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
 2021-08-26 23:38:16 +03:00
Avraham Stern
bd34ff380e iwlwifi: mvm: add support for responder config command version 9 
This version adds the following configuration options:
1. Enable/disable setting the session id in the FTM frame
2. Set the BSS color for the responder
3. Set the minimum and maximum time between measurements for
   non trigger based NDP ranging.

Signed-off-by: Avraham Stern <avraham.stern@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Link: https://lore.kernel.org/r/iwlwifi.20210826224715.0a10d43f3d7f.Ice4112c1910cf94babd1c2d492a3a3de9f7ee6cb@changeid
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
 2021-08-26 23:38:16 +03:00
Avraham Stern
830aa3e7d1 iwlwifi: mvm: add support for range request command version 13 
This version adds the following configuration options:
1. Set the BSS color for NDP ranging
2. Set the minimum and maximum time between measurements for
   non trigger based NDP ranging.
3. Terminate the session in case the responder requests LMR feedback.

Signed-off-by: Avraham Stern <avraham.stern@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Link: https://lore.kernel.org/r/iwlwifi.20210826224715.9dcd5210b7e5.I76f6977cde852de0f251344e279ad85076eef8d6@changeid
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
 2021-08-26 23:38:15 +03:00
Johannes Berg
7e47f41648 iwlwifi: allow debug init in RF-kill 
We can send this even if initializing in RF-kill, thus
suppressing a bunch of error messages about it. In fact,
we _want_ to, since we might still want to debug the
firmware even if in RF-kill.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Link: https://lore.kernel.org/r/iwlwifi.20210819183728.bcdb076609e2.I2d177c00772510b5338d8aa45af7558138b08448@changeid
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
 2021-08-26 23:37:07 +03:00
Avraham Stern
a76b57311b iwlwifi: mvm: don't schedule the roc_done_wk if it is already running 
When P2P roc is removed, the IWL_MVM_STATUS_NEED_FLUSH_P2P bit is set
to indicate to iwl_mvm_roc_done_wk() that the removed roc is a P2P
one, so it will flush the broadcast station and not the aux station.

However, since setting this bit and scheduling the worker is done
in roc ended flow as well as in case the roc is removed, there is
a race where the worker has already started running (but did not
test this bit yet) and then it is scheduled again. In this case,
the first run of the worker will clear this bit, and thus the second
run will find it already cleared and will try to flush and remove
the aux station by mistake.

Fix it by scheduling the worker only if this bit is not yet set. In
case this bit is already set, the worker is either running or
scheduled, so there is no need to re-schedule it.

Signed-off-by: Avraham Stern <avraham.stern@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Link: https://lore.kernel.org/r/iwlwifi.20210819183728.8c147659b331.If5924375e9bfd46214ab8ab81cb9d0f5c82fbcbc@changeid
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
 2021-08-26 23:37:07 +03:00
Mukesh Sisodiya
89639e06d0 iwlwifi: yoyo: support for new DBGI_SRAM region 
new region handling is added  for dump collection.

Signed-off-by: Mukesh Sisodiya <mukesh.sisodiya@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Link: https://lore.kernel.org/r/iwlwifi.20210819183728.af9a24b82396.I53c5f82bd2d0f56fd699e3841c922082d99f1c90@changeid
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
 2021-08-26 23:37:07 +03:00
Shaul Triebitz
4e110e799c iwlwifi: add 'Rx control frame to MBSSID' HE capability 
'Rx control frame to MBSSID' is supported by HW and FW.
Add the capability to the HE mac capabilities.

Signed-off-by: Shaul Triebitz <shaul.triebitz@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Link: https://lore.kernel.org/r/iwlwifi.20210819183728.f3d6561dd8ee.I193d5331b43a1ecdae59eaedb37f0190a6d2311d@changeid
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
 2021-08-26 23:37:07 +03:00
Johannes Berg
8a433cb64e iwlwifi: fw: fix debug dump data declarations 
The debug dump ranges aren't just an array of such ranges
since each range has a variable size. Therefore, the use
of a struct array is misleading at best.

Change it to be a u8 data[] instead of the struct array,
the code doesn't significantly change since it's actually
doing things correctly now.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Link: https://lore.kernel.org/r/iwlwifi.20210819183728.693c9891097d.Idcaab1fd659e8be2f56be647b2534befd61a4460@changeid
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
 2021-08-26 23:37:06 +03:00
Johannes Berg
394f419296 iwlwifi: api: remove datamember from struct 
We don't use this, but we embed this struct elsewhere and
having structs with flexible arrays embedded isn't quite
right, with sparse (for example) complaining. Remove the
data[] member in this case.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Link: https://lore.kernel.org/r/iwlwifi.20210819183728.72ca1232b27c.I6ec766691b89670e1683f9fc0fbd12648309a574@changeid
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
 2021-08-26 23:37:06 +03:00
Johannes Berg
4246465edb iwlwifi: fix __percpu annotation 
Sparse warns about some type mismatches, which really is just
because of the strangely placed __percpu annotation. Put it
into the correct place.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Link: https://lore.kernel.org/r/iwlwifi.20210819183728.0a292b05fcf4.I7e89dfa6495143585021cb628ebb17d52e4588e5@changeid
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
 2021-08-26 23:37:06 +03:00
Johannes Berg
59a6ee97e0 iwlwifi: pcie: avoid dma unmap/remap in crash dump 
DMA-API debug code pointed out that in this code path we
never check the return value of dma_map_page(), which could
fail.

However, we don't really even want to unmap/remap, we just
want to ensure that we can actually access the last version
of the data that the (now-dead) device may have written, so
only need to dma_sync_single_for_cpu() instead.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Link: https://lore.kernel.org/r/iwlwifi.20210819183728.5987f35883a2.I2d9ea5ecc69a5e5947b546fb15f33363a0595651@changeid
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
 2021-08-26 23:37:06 +03:00
Luca Coelho
40063f6028 iwlwifi: acpi: fill in SAR tables with defaults 
If the tables we get in the iwl_sar_set_profile() is smaller than the
revision we support, we need to fill the values with 0.  Make sure
that's the case.

Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Link: https://lore.kernel.org/r/iwlwifi.20210819183728.7fb9716db7ba.I75541846e0720f80695186ba39398133c8758280@changeid
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
 2021-08-26 23:37:05 +03:00
Luca Coelho
c5b42c674a iwlwifi: acpi: fill in WGDS table with defaults 
The tables we store are the larger of all the revisions, so we need to
fill in the values that we don't get from ACPI when using older
revisions.

Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Link: https://lore.kernel.org/r/iwlwifi.20210819183728.01b12461a30b.I08d1f9154f26eca25c44616efdb5223bcc1935f3@changeid
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
 2021-08-26 23:37:05 +03:00
Luca Coelho
a6a39ab264 iwlwifi: bump FW API to 65 for AX devices 
Start supporting API version 65 for AX devices.

Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Link: https://lore.kernel.org/r/iwlwifi.20210819183728.1cb15b015485.I2818924b772d7518f4d9fc38b4caab3494ab11f9@changeid
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
 2021-08-26 23:37:05 +03:00
Luca Coelho
664c011b76 iwlwifi: acpi: support reading and storing WGDS revision 2 
Revisions 0 and 1 are identical, so we were already supporting that.
But revision 2 has a different size, so we have to try to read them
separately.

Add support for this new revision.

Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Link: https://lore.kernel.org/r/iwlwifi.20210805141826.78e441b16f9c.I2d79492f05624ddd02c533c673811a36eaf8a396@changeid
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
 2021-08-26 23:36:10 +03:00
Miri Korenblit
eb09ae93da iwlwifi: mvm: load regdomain at INIT stage 
We used to load the regdomain only in the load stage,
this caused the 'iw phy phy0 reg get' command to fail if we
booted a machine with wifi off.
Therefor we should load it in INIT stage already.

Signed-off-by: Miri Korenblit <miriam.rachel.korenblit@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Link: https://lore.kernel.org/r/iwlwifi.20210805141826.a6077801d7d5.I7d8d5c895bc467efbf81ea055dde366ea01cced1@changeid
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
 2021-08-26 23:36:10 +03:00
Miri Korenblit
78a19d5285 iwlwifi: mvm: Read the PPAG and SAR tables at INIT stage 
We used to read the PPAG, WRDS, EWRD, WGDS tables from ACPI
in the load stage only. This prevented vendor commands from
being executed before bringing the interface up. Move reading those tables
to INIT stage.

Signed-off-by: Miri Korenblit <miriam.rachel.korenblit@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Link: https://lore.kernel.org/r/iwlwifi.20210805141826.ce3b60f0b426.I3643bf00e714aae930880cc7d6cf390b142eaccb@changeid
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
 2021-08-26 23:36:10 +03:00
Shaul Triebitz
b537ffb6ea iwlwifi: mvm: trigger WRT when no beacon heard 
If the session protection ends but no beacon was
heard, the driver triggers a disconnection.
Trigger WRT in that case so it can be debugged.

Signed-off-by: Shaul Triebitz <shaul.triebitz@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Link: https://lore.kernel.org/r/iwlwifi.20210805141826.7bf71939826b.Id73f1a466929670f5ec54301227d68883afd9207@changeid
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
 2021-08-26 23:36:09 +03:00
Johannes Berg
e6344c0602 iwlwifi: fw: correctly limit to monitor dump 
In commit 79f033f6f2 ("iwlwifi: dbg: don't limit dump decisions
to all or monitor") we changed the code to pass around a bitmap,
but in the monitor_only case, one place accidentally used the bit
number, not the bit mask, resulting in CSR and FW_INFO getting
dumped instead of monitor data. Fix that.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Link: https://lore.kernel.org/r/iwlwifi.20210805141826.774fd8729a33.Ic985a787071d1c0b127ef0ba8367da896ee11f57@changeid
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
 2021-08-26 23:36:09 +03:00
Abhishek Naik
19426d5430 iwlwifi: skip first element in the WTAS ACPI table 
By mistake we were considering the first element of the WTAS wifi
package as part of the data we want to rid, but that element is the wifi
package signature (always 0x07), so it should be skipped.

Change the code to read the data starting from element 1 instead.

Signed-off-by: Abhishek Naik <abhishek.naik@intel.com>
Fixes: 28dd7ccdc5 ("iwlwifi: acpi: read TAS table from ACPI and send it to the FW")
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Link: https://lore.kernel.org/r/iwlwifi.20210805141826.ff8148197b15.I70636c04e37b2b57a5df3ce611511f62203d27a7@changeid
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
 2021-08-26 23:36:09 +03:00
Gregory Greenman
058b94dc9b iwlwifi: mvm: support version 11 of wowlan statuses notification 
The new version of the command has same size and layout as
version 10. It just sends corresponding station id in one
of the reserved fields. It's not used in the driver, so just
be ready to accept version 11.

Signed-off-by: Gregory Greenman <gregory.greenman@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Link: https://lore.kernel.org/r/iwlwifi.20210805141826.0a387598eef1.I3be0bbf603ef95c644218be8a12b329411f11646@changeid
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
 2021-08-26 23:36:09 +03:00
Luca Coelho
5bf7a9eddd iwlwifi: convert flat GEO profile table to a struct version 
The GEO profiles have been stored in single-dimension arrays and the
access has been done via a single index.  We will soon need to support
different revisions of this table, which will make the flat array even
harder to handle.  To prepare for that, convert the single-dimension
array to a struct with substructures.

Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Link: https://lore.kernel.org/r/iwlwifi.20210805141826.56f3506411a2.I600ed3708d19f2263a5a8d143f6711d08499bbb0@changeid
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
 2021-08-26 23:36:09 +03:00
Luca Coelho
de95c9288a iwlwifi: remove unused ACPI_WGDS_TABLE_SIZE definition 
When we started supporting the new FW API for the geo profiles, we
stopped using this definition, but left it there.  Remove it now.

Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Link: https://lore.kernel.org/r/iwlwifi.20210805141826.91dec6fad3e8.Ica42d5538d83b1407efe0c441c61aa8830e7496d@changeid
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
 2021-08-26 23:36:08 +03:00
Luca Coelho
51266c11ce iwlwifi: support reading and storing EWRD revisions 1 and 2 
As an extension to the WRDS support for revisions 1 and 2, do the same
for the EWRD tables.  These tables have a very similar format to the
WRDS table, so most of the code is similar.

Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Link: https://lore.kernel.org/r/iwlwifi.20210805141826.2d5494de683c.Ia024b1368873d488906a639e29454cbbdc788d03@changeid
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
 2021-08-26 23:36:08 +03:00
Luca Coelho
2a8084147b iwlwifi: acpi: support reading and storing WRDS revision 1 and 2 
Change the SAR profile tables storage to revision 2 regardless of the
revision we read from ACPI.  Revision 2 is a superset of revision 1,
which is in turn a superset of revision 0, so they can all be stored
inside revision 2.

Add support for reading and storing also revisions 1 and 2, whose only
difference is the number of chains and number of sub-bands.  So most
of the code revolves around passing different chain and sub-band
sizes.

With this patch we still pass only revision 0 to the firmware, but
that will be changed in a separate patch.

Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Link: https://lore.kernel.org/r/iwlwifi.20210805141826.2edad09415c8.I36297aef90a9ec6a3ea1bf1a151a62f272826d59@changeid
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
 2021-08-26 23:36:08 +03:00
Luca Coelho
8ecf0477b9 iwlwifi: pass number of chains and sub-bands to iwl_sar_set_profile() 
The number of chains and sub-bands read from the ACPI tables varies
depending on the revision.  Pass these numbers to the
iwl_sar_set_profile() function in order to make using different
revisions easier.

Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Link: https://lore.kernel.org/r/iwlwifi.20210805141826.905b54c398f8.I9bac8c3bc3b1b6bbe813de53746daee33e53fc86@changeid
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
 2021-08-26 23:36:07 +03:00
Luca Coelho
dac7171c81 iwlwifi: remove ACPI_SAR_NUM_TABLES definition 
This definition was only used to pass the size of the tables in the FW
API to the iwl_sar_select_profile() function, but we should actually
pass the definition from the FW API file.  We don't have the concept
of tables in the ACPI definition, so we can remove it.

Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Link: https://lore.kernel.org/r/iwlwifi.20210805130823.00b5084be918.I18efb3c45bffacfa9a356c2c8d34e5ffbb3eb423@changeid
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
 2021-08-26 23:35:18 +03:00
Luca Coelho
81870d138d iwlwifi: convert flat SAR profile table to a struct version 
The SAR profiles have been stored in single-dimension arrays and the
access has been done via a single index.  We will soon need to support
different revisions of this table, which will make the flat array even
harder to handle.  To prepare for that, convert the single-dimension
array to a struct with substructures.

Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Link: https://lore.kernel.org/r/iwlwifi.20210805130823.01530088097f.I903c236a574c7e4c0fc4db101fc39c0f5415ca43@changeid
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
 2021-08-26 23:35:18 +03:00
Luca Coelho
248e7e2a1d iwlwifi: rename ACPI_SAR_NUM_CHAIN_LIMITS to ACPI_SAR_NUM_CHAINS 
The "LIMITS" in the macro name don't have much meaning, so remove it
to make the macro shorter and better reflect that this is the number
of chains that we have limits for.

Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Link: https://lore.kernel.org/r/iwlwifi.20210805130823.65591c9fa2af.Ie7e4ba94c903ef444cb07df61891394c11c7c864@changeid
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
 2021-08-26 23:35:17 +03:00
Johannes Berg
6c608cd696 iwlwifi: mvm: fix access to BSS elements 
BSS elements are protected using RCU, so we need to use
RCU properly to access them, fix that.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Link: https://lore.kernel.org/r/iwlwifi.20210805130823.fd8b5791ab44.Iba26800a6301078d3782fb249c476dd8ac2bf3c6@changeid
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
 2021-08-26 23:35:17 +03:00
Ilan Peer
967a39832e iwlwifi: mvm: Refactor setting of SSIDs for 6GHz scan 
- Short SSIDs should always be added for direct SSIDs included
  in the scan request. However, this was not done in case that
  information for collocated APs was included. Fix this.
- With the above fix, if the FW also supports discovery of hidden
  APs over the 6GHz band, also set the corresponding full SSID
  information.

Signed-off-by: Ilan Peer <ilan.peer@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Link: https://lore.kernel.org/r/iwlwifi.20210805130823.02512b7a1443.Ibb023b09b86179ed049a195f4e32e887c2f4971d@changeid
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
 2021-08-26 23:35:17 +03:00
Avraham Stern
3df5c0ddcf iwlwifi: mvm: silently drop encrypted frames for unknown station 
When a station is removed, the driver-mac80211 station mapping is removed
before the station is actually deleted from the FW. As a result, it is
reasonable that the FW will continue to pass frames although the driver
doesn't have a station for them anymore. Thus change the message
severity level from ERR to DEBUG_DROP.

Signed-off-by: Avraham Stern <avraham.stern@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Link: https://lore.kernel.org/r/iwlwifi.20210805130823.a751177743c6.I5607504dade88ba461508643f58390dd661c05ba@changeid
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
 2021-08-26 23:35:17 +03:00
Johannes Berg
79e561f0f0 iwlwifi: mvm: d3: implement RSC command version 5 
In later firmware we haven't needed the TSC anyway since
we have it already (and firmware image doesn't change),
but the new version adds the ability to send down replay
counters for more than one GTK. Implement that.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Link: https://lore.kernel.org/r/iwlwifi.20210805130823.28cd065e8c4a.Ic8406a78ee46b07e0ca1b8199522ef08ec6eef53@changeid
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
 2021-08-26 23:35:17 +03:00
Johannes Berg
af3aab9ce2 iwlwifi: mvm: d3: make key reprogramming iteration optional 
Now that only reprogramming is left in the initial key iteration,
skip it entirely on unified firmware images instead of skipping
only the command sending inside of it.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Link: https://lore.kernel.org/r/iwlwifi.20210805130823.c6f77325c430.I798ce9d757492a9e3d223c1de5d4e62ebbc00b2c@changeid
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
 2021-08-26 23:35:16 +03:00
Johannes Berg
be05fae23d iwlwifi: mvm: d3: add separate key iteration for GTK type 
If we're sending the KEK/KCK data we also need the GTK and
IGTK type, add a separate key iteration for that so we can
make the configure_key iteration optional later.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Link: https://lore.kernel.org/r/iwlwifi.20210805130823.c99f86423702.Icf7d4e93be77ea05a80235d01851ad0155593de9@changeid
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
 2021-08-26 23:35:16 +03:00
Johannes Berg
631ee51202 iwlwifi: mvm: d3: refactor TSC/RSC configuration 
Refactor the TSC/RSC configuration out from the normal wowlan
key iteration so we can replace it later with a different one
adapted to a different firmware API.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Link: https://lore.kernel.org/r/iwlwifi.20210805130823.78e431c9aaeb.I5b83b8b30e3e7c04706a1f99b3970e4e5f36af9e@changeid
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
 2021-08-26 23:35:16 +03:00
Johannes Berg
398760aa96 iwlwifi: mvm: d3: remove fixed cmd_flags argument 
We only ever pass cmd_flags == CMD_ASYNC, so might as well
not have the argument. Remove it.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Link: https://lore.kernel.org/r/iwlwifi.20210805130823.9130db608b77.I352cbc35fefd98cc00aa0c69ea43863942aa62f5@changeid
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
 2021-08-26 23:35:16 +03:00
Johannes Berg
0419e5e672 iwlwifi: mvm: d3: separate TKIP data from key iteration 
We do a key iteration to program the keys, and while at it
we also collect the data necessary for TKIP. This code has
all kinds of dependencies on the firmware API though, so
take out the TKIP phase 1 key generation and do that in a
separate key iteration only if necessary.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Link: https://lore.kernel.org/r/iwlwifi.20210805130823.80721fc0fd61.I5a8fbba4e3a9606f700ee41c7a4244dd5e2af935@changeid
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
 2021-08-26 23:35:15 +03:00
Johannes Berg
95a62c331f iwlwifi: mvm: simplify __iwl_mvm_set_sta_key() 
There's no need to differentiate identical default and cipher
type cases, nor do we really need to have a 'ret' variable.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Link: https://lore.kernel.org/r/iwlwifi.20210802215208.e89178b22fbf.I4d62baad9a9fdfd5c645a3cc5dbffb22feab5033@changeid
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
 2021-08-26 23:34:27 +03:00
Johannes Berg
199d895f47 iwlwifi: mvm: support new station key API 
The new version 3 of the station key API has gotten rid of the
strange hole in the sequence counter values, support that.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Link: https://lore.kernel.org/r/iwlwifi.20210802215208.39a00ca1a1a6.Ifb4adeb4edd2b72232046dd2d59c0b3732f497c2@changeid
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
 2021-08-26 23:34:27 +03:00
Ilan Peer
35fc5feca7 iwlwifi: mvm: Fix umac scan request probe parameters 
Both 'iwl_scan_probe_params_v3' and 'iwl_scan_probe_params_v4'
wrongly addressed the 'bssid_array' field which should supposed
to be any array of BSSIDs each of size ETH_ALEN and not the
opposite. Fix it.

Signed-off-by: Ilan Peer <ilan.peer@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Link: https://lore.kernel.org/r/iwlwifi.20210802215208.04146f24794f.I90726440ddff75013e9fecbe9fa1a05c69e3f17b@changeid
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
 2021-08-26 23:34:26 +03:00
Johannes Berg
9de168a012 iwlwifi: pcie: implement Bz reset flow 
Bz device reset flow changed, now the hardware (instead of
firmware) will reset the PCI bus etc., this can take up to
100ms.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Link: https://lore.kernel.org/r/iwlwifi.20210802215208.df30875c6ff9.I962ed0f2c3358903dc6ba1abb65726ce5acbbd48@changeid
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
 2021-08-26 23:34:26 +03:00