Commit Graph

2818 Commits

Author SHA1 Message Date
Veerendranath Jakkam
065563b20a wifi: cfg80211/nl80211: Add support to indicate STA MLD setup links removal
STA MLD setup links may get removed if AP MLD remove the corresponding
affiliated APs with Multi-Link reconfiguration as described in
P802.11be_D3.0, section 35.3.6.2.2 Removing affiliated APs. Currently,
there is no support to notify such operation to cfg80211 and userspace.

Add support for the drivers to indicate STA MLD setup links removal to
cfg80211 and notify the same to userspace. Upon receiving such
indication from the driver, clear the MLO links information of the
removed links in the WDEV.

Signed-off-by: Veerendranath Jakkam <quic_vjakkam@quicinc.com>
Link: https://lore.kernel.org/r/20230317142153.237900-1-quic_vjakkam@quicinc.com
[rename function and attribute, fix kernel-doc]
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2023-06-19 12:08:40 +02:00
Benjamin Berg
a0ed50112b wifi: cfg80211: do not scan disabled links on 6GHz
If a link is disabled on 6GHz, we should not send a probe request on the
channel to resolve it. Simply skip such RNR entries so that the link is
ignored.

Userspace can still see the link in the RNR and may generate an ML probe
request in order to associate to the (currently) disabled 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/20230618214436.4f7384006471.Iff8f1081e76a298bd25f9468abb3a586372cddaa@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2023-06-19 12:08:40 +02:00
Benjamin Berg
2481b5da9c wifi: cfg80211: handle BSS data contained in ML probe responses
The basic multi-link element within an multi-link probe response will
contain full information about BSSes that are part of an MLD AP. This
BSS information may be used to associate with a link of an MLD AP
without having received a beacon from the BSS itself.

This patch adds parsing of the data and adding/updating the BSS using
the received elements. Doing this means that userspace can discover the
BSSes using an ML probe request and request association on these links.

Signed-off-by: Benjamin Berg <benjamin.berg@intel.com>
Signed-off-by: Gregory Greenman <gregory.greenman@intel.com>
Link: https://lore.kernel.org/r/20230618214436.29593bd0ae1f.Ic9a67b8f022360aa202b870a932897a389171b14@changeid
[swap loop conditions smatch complained about]
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2023-06-19 12:08:28 +02:00
Benjamin Berg
dc92e54c30 wifi: cfg80211: use structs for TBTT information access
Make the data access a bit nicer overall by using structs. There is a
small change here to also accept a TBTT information length of eight
bytes as we do not require the 20 MHz PSD information.

This also fixes a bug reading the short SSID on big endian machines.

Signed-off-by: Benjamin Berg <benjamin.berg@intel.com>
Signed-off-by: Gregory Greenman <gregory.greenman@intel.com>
Link: https://lore.kernel.org/r/20230618214436.4c3f8901c1bc.Ic3e94fd6e1bccff7948a252ad3bb87e322690a17@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2023-06-19 12:05:30 +02:00
Benjamin Berg
eb142608e2 wifi: cfg80211: use a struct for inform_single_bss data
The argument is getting quite large, so use a struct internally to pass
around the information.

Signed-off-by: Benjamin Berg <benjamin.berg@intel.com>
Signed-off-by: Gregory Greenman <gregory.greenman@intel.com>
Link: https://lore.kernel.org/r/20230618214436.831ab8a87b6f.I3bcc83d90f41d6f8a47b39528575dad0a9ec3564@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2023-06-19 12:05:30 +02:00
Benjamin Berg
891d4d5831 wifi: cfg80211: Always ignore ML element
The element should never be inherited, so always exclude it.

Signed-off-by: Benjamin Berg <benjamin.berg@intel.com>
Signed-off-by: Gregory Greenman <gregory.greenman@intel.com>
Link: https://lore.kernel.org/r/20230618214435.c0e17989b4ed.I7cecb5ab7cd6919e61839b50ce5156904b41d7d8@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2023-06-19 12:05:30 +02:00
Johannes Berg
e8c2af660b wifi: cfg80211: fix regulatory disconnect with OCB/NAN
Since regulatory disconnect was added, OCB and NAN interface
types were added, which made it completely unusable for any
driver that allowed OCB/NAN. Add OCB/NAN (though NAN doesn't
do anything, we don't have any info) and also remove all the
logic that opts out, so it won't be broken again if/when new
interface types are added.

Fixes: 6e0bd6c35b ("cfg80211: 802.11p OCB mode handling")
Fixes: cb3b7d8765 ("cfg80211: add start / stop NAN commands")
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Link: https://lore.kernel.org/r/20230616222844.2794d1625a26.I8e78a3789a29e6149447b3139df724a6f1b46fc3@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2023-06-19 12:05:29 +02:00
Johannes Berg
b22552fcaf wifi: cfg80211: fix regulatory disconnect for non-MLO
The multi-link loop here broke disconnect when multi-link
operation (MLO) isn't active for a given interface, since
in that case valid_links is 0 (indicating no links, i.e.
no MLO.)

Fix this by taking that into account properly and skipping
the link only if there are valid_links in the first place.

Cc: stable@vger.kernel.org
Fixes: 7b0a0e3c3a ("wifi: cfg80211: do some rework towards MLO link APIs")
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Link: https://lore.kernel.org/r/20230616222844.eb073d650c75.I72739923ef80919889ea9b50de9e4ba4baa836ae@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2023-06-19 12:05:29 +02:00
Benjamin Berg
f837a653a0 wifi: cfg80211: add element defragmentation helper
This is already needed within mac80211 and support is also needed by
cfg80211 to parse ML elements.

Signed-off-by: Benjamin Berg <benjamin.berg@intel.com>
Signed-off-by: Gregory Greenman <gregory.greenman@intel.com>
Link: https://lore.kernel.org/r/20230616094949.29c3ebeed10d.I009c049289dd0162c2e858ed8b68d2875a672ed6@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2023-06-19 12:05:29 +02:00
Benjamin Berg
39432f8a37 wifi: cfg80211: drop incorrect nontransmitted BSS update code
The removed code ran for any BSS that was not included in the MBSSID
element in order to update it. However, instead of using the correct
inheritance rules, it would simply copy the elements from the
transmitting AP. The result is that we would report incorrect elements
in this case.

After some discussions, it seems that there are likely not even APs
actually using this feature. Either way, removing the code decreases
complexity and makes the cfg80211 behaviour more correct.

Fixes: 0b8fb8235b ("cfg80211: Parsing of Multiple BSSID information in scanning")
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.cfd6d8db1f26.Ia1044902b86cd7d366400a4bfb93691b8f05d68c@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2023-06-19 12:05:29 +02:00
Benjamin Berg
dfd9aa3e7a wifi: cfg80211: rewrite merging of inherited elements
The cfg80211_gen_new_ie function merges the IEs using inheritance rules.
Rewrite this function to fix issues around inheritance rules. In
particular, vendor elements do not require any special handling, as they
are either all inherited or overridden by the subprofile.
Also, add fragmentation handling as this may be needed in some cases.

This also changes the function to not require making a copy. The new
version could be optimized a bit by explicitly tracking which IEs have
been handled already rather than looking that up again every time.

Note that a small behavioural change is the removal of the SSID special
handling. This should be fine for the MBSSID element, as the SSID must
be included in the subelement.

Fixes: 0b8fb8235b ("cfg80211: Parsing of Multiple BSSID information in scanning")
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.bc6152e146db.I2b5f3bc45085e1901e5b5192a674436adaf94748@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2023-06-19 12:05:29 +02:00
Benjamin Berg
03e7e493f1 wifi: cfg80211: ignore invalid TBTT info field types
The TBTT information field type must be zero. This is only changed in
the 802.11be draft specification where the value 1 is used to indicate
that only the MLD parameters are included.

Signed-off-by: Benjamin Berg <benjamin.berg@intel.com>
Signed-off-by: Gregory Greenman <gregory.greenman@intel.com>
Link: https://lore.kernel.org/r/20230616094949.7865606ffe94.I7ff28afb875d1b4c39acd497df8490a7d3628e3f@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2023-06-19 12:05:28 +02:00
Benjamin Berg
5db25290b7 wifi: cfg80211: add inform_bss op to update BSS
This new function is called from within the inform_bss(_frame)_data
functions in order for the driver to update data that it is tracking.

Signed-off-by: Benjamin Berg <benjamin.berg@intel.com>
Signed-off-by: Gregory Greenman <gregory.greenman@intel.com>
Link: https://lore.kernel.org/r/20230616094949.8d7781b0f965.I80041183072b75c081996a1a5a230b34aff5c668@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2023-06-19 12:05:28 +02:00
Benjamin Berg
6b7c93c143 wifi: cfg80211: keep bss_lock held when informing
It is reasonable to hold bss_lock for a little bit longer after
cfg80211_bss_update is done. Right now, this does not make any big
difference, but doing so in preparation for the next patch which adds
a call to the driver.

Signed-off-by: Benjamin Berg <benjamin.berg@intel.com>
Signed-off-by: Gregory Greenman <gregory.greenman@intel.com>
Link: https://lore.kernel.org/r/20230616094948.61701884ff0d.I3358228209eb6766202aff04d1bae0b8fdff611f@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2023-06-19 12:05:28 +02:00
Benjamin Berg
c2edd30132 wifi: cfg80211: move regulatory_hint_found_beacon to be earlier
These calls do not require any locking, so move them in preparation for
the next patches.

A minor change/bugfix is to not hint a beacon for nontransmitted BSSes

Signed-off-by: Benjamin Berg <benjamin.berg@intel.com>
Signed-off-by: Gregory Greenman <gregory.greenman@intel.com>
Link: https://lore.kernel.org/r/20230616094948.a5bf3558eae9.I33c7465d983c8bef19deb7a533ee475a16f91774@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2023-06-19 12:05:28 +02:00
Mukesh Sisodiya
c6112046b1 wifi: cfg80211: make TDLS management link-aware
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>
2023-06-19 12:05:27 +02:00
Gustavo A. R. Silva
71e7552c90 wifi: wext-core: Fix -Wstringop-overflow warning in ioctl_standard_iw_point()
-Wstringop-overflow is legitimately warning us about extra_size
pontentially being zero at some point, hence potenially ending
up _allocating_ zero bytes of memory for extra pointer and then
trying to access such object in a call to copy_from_user().

Fix this by adding a sanity check to ensure we never end up
trying to allocate zero bytes of data for extra pointer, before
continue executing the rest of the code in the function.

Address the following -Wstringop-overflow warning seen when built
m68k architecture with allyesconfig configuration:
                 from net/wireless/wext-core.c:11:
In function '_copy_from_user',
    inlined from 'copy_from_user' at include/linux/uaccess.h:183:7,
    inlined from 'ioctl_standard_iw_point' at net/wireless/wext-core.c:825:7:
arch/m68k/include/asm/string.h:48:25: warning: '__builtin_memset' writing 1 or more bytes into a region of size 0 overflows the destination [-Wstringop-overflow=]
   48 | #define memset(d, c, n) __builtin_memset(d, c, n)
      |                         ^~~~~~~~~~~~~~~~~~~~~~~~~
include/linux/uaccess.h:153:17: note: in expansion of macro 'memset'
  153 |                 memset(to + (n - res), 0, res);
      |                 ^~~~~~
In function 'kmalloc',
    inlined from 'kzalloc' at include/linux/slab.h:694:9,
    inlined from 'ioctl_standard_iw_point' at net/wireless/wext-core.c:819:10:
include/linux/slab.h:577:16: note: at offset 1 into destination object of size 0 allocated by '__kmalloc'
  577 |         return __kmalloc(size, flags);
      |                ^~~~~~~~~~~~~~~~~~~~~~

This help with the ongoing efforts to globally enable
-Wstringop-overflow.

Link: https://github.com/KSPP/linux/issues/315
Signed-off-by: Gustavo A. R. Silva <gustavoars@kernel.org>
Reviewed-by: Simon Horman <simon.horman@corigine.com>
Link: https://lore.kernel.org/r/ZItSlzvIpjdjNfd8@work
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2023-06-19 12:05:27 +02:00
Johannes Berg
d5a17cfb98 Merge wireless into wireless-next
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>
2023-06-19 12:04:16 +02:00
Azeem Shaikh
0ffe85885b wifi: cfg80211: replace strlcpy() with strscpy()
strlcpy() reads the entire source buffer first.
This read may exceed the destination size limit.
This is both inefficient and can lead to linear read
overflows if a source string is not NUL-terminated [1].
In an effort to remove strlcpy() completely [2], replace
strlcpy() here with strscpy().

Direct replacement is safe here since WIPHY_ASSIGN is only used by
TRACE macros and the return values are ignored.

[1] https://www.kernel.org/doc/html/latest/process/deprecated.html#strlcpy
[2] https://github.com/KSPP/linux/issues/89

Signed-off-by: Azeem Shaikh <azeemshaikh38@gmail.com>
Reviewed-by: Kees Cook <keescook@chromium.org>
Link: https://lore.kernel.org/r/20230612232301.2572316-1-azeemshaikh38@gmail.com
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2023-06-14 12:32:19 +02:00
Ilan Peer
6cf963edbb wifi: cfg80211: Support association to AP MLD with disabled links
An AP part of an AP MLD might be temporarily disabled, and might be
enabled later. Such a link should be included in the association
exchange, but should not be used until enabled.

Extend the NL80211_CMD_ASSOCIATE to also indicate disabled 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/20230608163202.c4c61ee4c4a5.I784ef4a0d619fc9120514b5615458fbef3b3684a@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2023-06-14 12:21:17 +02:00
Gilad Itzkovitch
2ad66fcb2f wifi: cfg80211: S1G rate information and calculations
Increase the size of S1G rate_info flags to support S1G and add
flags for new S1G MCS and the supported bandwidths. Also, include
S1G rate information to netlink STA rate message. Lastly, add
rate calculation function for S1G MCS.

Signed-off-by: Gilad Itzkovitch <gilad.itzkovitch@morsemicro.com>
Link: https://lore.kernel.org/r/20230518000723.991912-1-gilad.itzkovitch@morsemicro.com
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2023-06-14 11:57:26 +02:00
Johannes Berg
34d4e3eb67 wifi: cfg80211: remove links only on AP
Since links are only controlled by userspace via cfg80211
in AP mode, also only remove them from the driver in that
case.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Gregory Greenman <gregory.greenman@intel.com>
Link: https://lore.kernel.org/r/20230608163202.ed65b94916fa.I2458c46888284cc5ce30715fe642bc5fc4340c8f@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2023-06-09 13:30:53 +02:00
Benjamin Berg
1ff56684fa wifi: cfg80211: fix link del callback to call correct handler
The wrapper function was incorrectly calling the add handler instead of
the del handler. This had no negative side effect as the default
handlers are essentially identical.

Fixes: f2a0290b2d ("wifi: cfg80211: add optional link add/remove callbacks")
Signed-off-by: Benjamin Berg <benjamin.berg@intel.com>
Signed-off-by: Gregory Greenman <gregory.greenman@intel.com>
Link: https://lore.kernel.org/r/20230608163202.ebd00e000459.Iaff7dc8d1cdecf77f53ea47a0e5080caa36ea02a@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2023-06-09 13:30:16 +02:00
Dan Carpenter
996c3117da wifi: cfg80211: fix double lock bug in reg_wdev_chan_valid()
The locking was changed recently so now the caller holds the wiphy_lock()
lock.  Taking the lock inside the reg_wdev_chan_valid() function will
lead to a deadlock.

Fixes: f7e60032c6 ("wifi: cfg80211: fix locking in regulatory disconnect")
Signed-off-by: Dan Carpenter <dan.carpenter@linaro.org>
Link: https://lore.kernel.org/r/40c4114a-6cb4-4abf-b013-300b598aba65@moroto.mountain
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2023-06-09 13:28:41 +02:00
Johannes Berg
fe0af9fe54 wifi: cfg80211: move scan done work to wiphy work
Move the scan done work to the new wiphy work to
simplify the code a bit.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2023-06-07 19:53:37 +02:00
Johannes Berg
c88d717822 wifi: cfg80211: move sched scan stop to wiphy work
This work can now trivially be converted, it behaves
identical either way.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2023-06-07 19:53:31 +02:00
Johannes Berg
a3ee4dc84c wifi: cfg80211: add a work abstraction with special semantics
Add a work abstraction at the cfg80211 level that will always
hold the wiphy_lock() for any work executed and therefore also
can be canceled safely (without waiting) while holding that.
This improves on what we do now as with the new wiphy works we
don't have to worry about locking while cancelling them safely.

Also, don't let such works run while the device is suspended,
since they'll likely need to interact with the device. Flush
them before suspend though.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2023-06-07 19:53:15 +02:00
Johannes Berg
4d45145ba6 wifi: cfg80211: hold wiphy lock when sending wiphy
Sending the wiphy out might cause calls to the driver,
notably get_txq_stats() and get_antenna(). These aren't
very important, since the normally have their own locks
and/or just send out static data, but if the contract
should be that the wiphy lock is always held, these are
also affected. Fix that.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2023-06-07 19:53:13 +02:00
Johannes Berg
7d2d0ff49d wifi: cfg80211: wext: hold wiphy lock in siwgenie
Missed this ioctl since it's in wext-sme.c where we
usually get via a front-level ioctl handler in the
other files, but it should also hold the wiphy lock
to align the locking contract towards the driver.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2023-06-07 19:53:11 +02:00
Johannes Berg
a993df0f91 wifi: cfg80211: move wowlan disable under locks
This is a driver callback, and the driver should be able
to assume that it's called with the wiphy lock held. Move
the call up so that's true, it has no other effect since
the device is already unregistering and we cannot reach
this function through other paths.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2023-06-07 19:53:09 +02:00
Johannes Berg
0dcb84ede5 wifi: cfg80211: hold wiphy lock in pmsr work
Most code paths in cfg80211 already hold the wiphy lock,
mostly by virtue of being called from nl80211, so make
the pmsr cleanup worker also hold it, aligning the
locking promises between different parts of cfg80211.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2023-06-07 19:53:07 +02:00
Johannes Berg
e9da6df749 wifi: cfg80211: hold wiphy lock in auto-disconnect
Most code paths in cfg80211 already hold the wiphy lock,
mostly by virtue of being called from nl80211, so make
the auto-disconnect worker also hold it, aligning the
locking promises between different parts of cfg80211.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2023-06-07 19:53:04 +02:00
Johannes Berg
f7e60032c6 wifi: cfg80211: fix locking in regulatory disconnect
This should use wiphy_lock() now instead of requiring the
RTNL, since __cfg80211_leave() via cfg80211_leave() is now
requiring that lock to be held.

Fixes: a05829a722 ("cfg80211: avoid holding the RTNL when calling the driver")
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2023-06-06 14:51:32 +02:00
Johannes Berg
3e54ed8247 wifi: cfg80211: fix locking in sched scan stop work
This should use wiphy_lock() now instead of acquiring the
RTNL, since cfg80211_stop_sched_scan_req() now needs that.

Fixes: a05829a722 ("cfg80211: avoid holding the RTNL when calling the driver")
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2023-06-06 14:51:25 +02:00
Johannes Berg
727073ca5e wifi: cfg80211: reject bad AP MLD address
When trying to authenticate, if the AP MLD address isn't
a valid address, mac80211 can throw a warning. Avoid that
by rejecting such addresses.

Fixes: d648c23024 ("wifi: nl80211: support MLO in auth/assoc")
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Gregory Greenman <gregory.greenman@intel.com>
Link: https://lore.kernel.org/r/20230604120651.89188912bd1d.I8dbc6c8ee0cb766138803eec59508ef4ce477709@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2023-06-06 10:05:17 +02:00
Ilan Peer
1b6b4ed014 wifi: cfg80211: Drop entries with invalid BSSIDs in RNR
Ignore AP information for entries that include an invalid
BSSID in the TBTT information field, e.g., all zeros BSSIDs.

Fixes: c8cb5b854b ("nl80211/cfg80211: support 6 GHz scanning")
Signed-off-by: Ilan Peer <ilan.peer@intel.com>
Signed-off-by: Gregory Greenman <gregory.greenman@intel.com>
Link: https://lore.kernel.org/r/20230424103224.5e65d04d1448.Ic10c8577ae4a85272c407106c9d0a2ecb5372743@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2023-05-16 10:09:50 -07:00
Linus Torvalds
556eb8b791 Driver core changes for 6.4-rc1
Here is the large set of driver core changes for 6.4-rc1.
 
 Once again, a busy development cycle, with lots of changes happening in
 the driver core in the quest to be able to move "struct bus" and "struct
 class" into read-only memory, a task now complete with these changes.
 
 This will make the future rust interactions with the driver core more
 "provably correct" as well as providing more obvious lifetime rules for
 all busses and classes in the kernel.
 
 The changes required for this did touch many individual classes and
 busses as many callbacks were changed to take const * parameters
 instead.  All of these changes have been submitted to the various
 subsystem maintainers, giving them plenty of time to review, and most of
 them actually did so.
 
 Other than those changes, included in here are a small set of other
 things:
   - kobject logging improvements
   - cacheinfo improvements and updates
   - obligatory fw_devlink updates and fixes
   - documentation updates
   - device property cleanups and const * changes
   - firwmare loader dependency fixes.
 
 All of these have been in linux-next for a while with no reported
 problems.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'driver-core-6.4-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core

Pull driver core updates from Greg KH:
 "Here is the large set of driver core changes for 6.4-rc1.

  Once again, a busy development cycle, with lots of changes happening
  in the driver core in the quest to be able to move "struct bus" and
  "struct class" into read-only memory, a task now complete with these
  changes.

  This will make the future rust interactions with the driver core more
  "provably correct" as well as providing more obvious lifetime rules
  for all busses and classes in the kernel.

  The changes required for this did touch many individual classes and
  busses as many callbacks were changed to take const * parameters
  instead. All of these changes have been submitted to the various
  subsystem maintainers, giving them plenty of time to review, and most
  of them actually did so.

  Other than those changes, included in here are a small set of other
  things:

   - kobject logging improvements

   - cacheinfo improvements and updates

   - obligatory fw_devlink updates and fixes

   - documentation updates

   - device property cleanups and const * changes

   - firwmare loader dependency fixes.

  All of these have been in linux-next for a while with no reported
  problems"

* tag 'driver-core-6.4-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core: (120 commits)
  device property: make device_property functions take const device *
  driver core: update comments in device_rename()
  driver core: Don't require dynamic_debug for initcall_debug probe timing
  firmware_loader: rework crypto dependencies
  firmware_loader: Strip off \n from customized path
  zram: fix up permission for the hot_add sysfs file
  cacheinfo: Add use_arch[|_cache]_info field/function
  arch_topology: Remove early cacheinfo error message if -ENOENT
  cacheinfo: Check cache properties are present in DT
  cacheinfo: Check sib_leaf in cache_leaves_are_shared()
  cacheinfo: Allow early level detection when DT/ACPI info is missing/broken
  cacheinfo: Add arm64 early level initializer implementation
  cacheinfo: Add arch specific early level initializer
  tty: make tty_class a static const structure
  driver core: class: remove struct class_interface * from callbacks
  driver core: class: mark the struct class in struct class_interface constant
  driver core: class: make class_register() take a const *
  driver core: class: mark class_release() as taking a const *
  driver core: remove incorrect comment for device_create*
  MIPS: vpe-cmp: remove module owner pointer from struct class usage.
  ...
2023-04-27 11:53:57 -07:00
Greg Kroah-Hartman
cd8fe5b6db Merge 6.3-rc5 into driver-core-next
We need the fixes in here for testing, as well as the driver core
changes for documentation updates to build on.

Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2023-04-03 09:33:30 +02:00
Jakub Kicinski
ce7928f7cf 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
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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>
2023-03-30 23:52:20 -07:00
Kieran Frewen
9a8aac92eb wifi: nl80211: support advertising S1G capabilities
Include S1G capabilities in netlink band info messages.

Signed-off-by: Kieran Frewen <kieran.frewen@morsemicro.com>
Co-developed-by: Gilad Itzkovitch <gilad.itzkovitch@morsemicro.com>
Signed-off-by: Gilad Itzkovitch <gilad.itzkovitch@morsemicro.com>
Link: https://lore.kernel.org/r/20230223212917.4010246-1-gilad.itzkovitch@virscient.com
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2023-03-30 12:02:59 +02:00
Jaewan Kim
5097f84437 wifi: nl80211: make nl80211_send_chandef non-static
Expose nl80211_send_chandef functionality for mac80211_hwsim or vendor
netlink can use it where needed.

Signed-off-by: Jaewan Kim <jaewan@google.com>
Reviewed-by: Michal Kubiak <michal.kubiak@intel.com>
Link: https://lore.kernel.org/r/20230322131637.2633968-3-jaewan@google.com
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2023-03-24 11:45:51 +01:00
Aloka Dixit
dbbb27e183 cfg80211: support RNR for EMA AP
As per IEEE Std 802.11ax-2021, 11.1.3.8.3 Discovery of a nontransmitted
BSSID profile, an EMA AP that transmits a Beacon frame carrying a partial
list of nontransmitted BSSID profiles should include in the frame
a Reduced Neighbor Report element carrying information for at least the
nontransmitted BSSIDs that are not present in the Multiple BSSID element
carried in that frame.
Add new nested attribute NL80211_ATTR_EMA_RNR_ELEMS to support the above.
Number of RNR elements must be more than or equal to the number of
MBSSID elements. This attribute can be used only when EMA is enabled.
Userspace is responsible for splitting the RNR into multiple elements such
that each element excludes the non-transmitting profiles already included
in the MBSSID element (%NL80211_ATTR_MBSSID_ELEMS) at the same index.
Each EMA beacon will be generated by adding MBSSID and RNR elements
at the same index. If the userspace provides more RNR elements than the
number of MBSSID elements then these will be added in every EMA beacon.

Signed-off-by: Aloka Dixit <quic_alokad@quicinc.com>
Link: https://lore.kernel.org/r/20230323113801.6903-2-quic_alokad@quicinc.com
[Johannes: validate elements]
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2023-03-24 11:12:48 +01:00
Felix Fietkau
fe4a6d2db3 wifi: mac80211: implement support for yet another mesh A-MSDU format
MT7996 hardware supports mesh A-MSDU subframes in hardware, but uses a
big-endian length field

Signed-off-by: Felix Fietkau <nbd@nbd.name>
Signed-off-by: Ryder Lee <ryder.lee@mediatek.com>
Link: https://lore.kernel.org/r/20230314095956.62085-7-nbd@nbd.name
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2023-03-22 13:31:19 +01:00
Jakub Kicinski
1118aa4c70 Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
net/wireless/nl80211.c
  b27f07c50a ("wifi: nl80211: fix puncturing bitmap policy")
  cbbaf2bb82 ("wifi: nl80211: add a command to enable/disable HW timestamping")
https://lore.kernel.org/all/20230314105421.3608efae@canb.auug.org.au

tools/testing/selftests/net/Makefile
  62199e3f16 ("selftests: net: Add VXLAN MDB test")
  13715acf8a ("selftest: Add test for bind() conflicts.")

Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2023-03-17 16:29:25 -07:00
Linus Torvalds
478a351ce0 Including fixes from netfilter, wifi and ipsec.
Current release - regressions:
 
  - phy: mscc: fix deadlock in phy_ethtool_{get,set}_wol()
 
  - virtio: vsock: don't use skbuff state to account credit
 
  - virtio: vsock: don't drop skbuff on copy failure
 
  - virtio_net: fix page_to_skb() miscalculating the memory size
 
 Current release - new code bugs:
 
  - eth: correct xdp_features after device reconfig
 
  - wifi: nl80211: fix the puncturing bitmap policy
 
  - net/mlx5e: flower:
    - fix raw counter initialization
    - fix missing error code
    - fix cloned flow attribute
 
  - ipa:
    - fix some register validity checks
    - fix a surprising number of bad offsets
    - kill FILT_ROUT_CACHE_CFG IPA register
 
 Previous releases - regressions:
 
  - tcp: fix bind() conflict check for dual-stack wildcard address
 
  - veth: fix use after free in XDP_REDIRECT when skb headroom is small
 
  - ipv4: fix incorrect table ID in IOCTL path
 
  - ipvlan: make skb->skb_iif track skb->dev for l3s mode
 
  - mptcp:
   - fix possible deadlock in subflow_error_report
   - fix UaFs when destroying unaccepted and listening sockets
 
  - dsa: mv88e6xxx: fix max_mtu of 1492 on 6165, 6191, 6220, 6250, 6290
 
 Previous releases - always broken:
 
  - tcp: tcp_make_synack() can be called from process context,
    don't assume preemption is disabled when updating stats
 
  - netfilter: correct length for loading protocol registers
 
  - virtio_net: add checking sq is full inside xdp xmit
 
  - bonding: restore IFF_MASTER/SLAVE flags on bond enslave
    Ethertype change
 
  - phy: nxp-c45-tja11xx: fix MII_BASIC_CONFIG_REV bit number
 
  - eth: i40e: fix crash during reboot when adapter is in recovery mode
 
  - eth: ice: avoid deadlock on rtnl lock when auxiliary device
    plug/unplug meets bonding
 
  - dsa: mt7530:
    - remove now incorrect comment regarding port 5
    - set PLL frequency and trgmii only when trgmii is used
 
  - eth: mtk_eth_soc: reset PCS state when changing interface types
 
 Misc:
 
  - ynl: another license adjustment
 
  - move the TCA_EXT_WARN_MSG attribute for tc action
 
 Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Merge tag 'net-6.3-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net

Pull networking fixes from Jakub Kicinski:
 "Including fixes from netfilter, wifi and ipsec.

  A little more changes than usual, but it's pretty normal for us that
  the rc3/rc4 PRs are oversized as people start testing in earnest.

  Possibly an extra boost from people deploying the 6.1 LTS but that's
  more of an unscientific hunch.

  Current release - regressions:

   - phy: mscc: fix deadlock in phy_ethtool_{get,set}_wol()

   - virtio: vsock: don't use skbuff state to account credit

   - virtio: vsock: don't drop skbuff on copy failure

   - virtio_net: fix page_to_skb() miscalculating the memory size

  Current release - new code bugs:

   - eth: correct xdp_features after device reconfig

   - wifi: nl80211: fix the puncturing bitmap policy

   - net/mlx5e: flower:
      - fix raw counter initialization
      - fix missing error code
      - fix cloned flow attribute

   - ipa:
      - fix some register validity checks
      - fix a surprising number of bad offsets
      - kill FILT_ROUT_CACHE_CFG IPA register

  Previous releases - regressions:

   - tcp: fix bind() conflict check for dual-stack wildcard address

   - veth: fix use after free in XDP_REDIRECT when skb headroom is small

   - ipv4: fix incorrect table ID in IOCTL path

   - ipvlan: make skb->skb_iif track skb->dev for l3s mode

   - mptcp:
      - fix possible deadlock in subflow_error_report
      - fix UaFs when destroying unaccepted and listening sockets

   - dsa: mv88e6xxx: fix max_mtu of 1492 on 6165, 6191, 6220, 6250, 6290

  Previous releases - always broken:

   - tcp: tcp_make_synack() can be called from process context, don't
     assume preemption is disabled when updating stats

   - netfilter: correct length for loading protocol registers

   - virtio_net: add checking sq is full inside xdp xmit

   - bonding: restore IFF_MASTER/SLAVE flags on bond enslave Ethertype
     change

   - phy: nxp-c45-tja11xx: fix MII_BASIC_CONFIG_REV bit number

   - eth: i40e: fix crash during reboot when adapter is in recovery mode

   - eth: ice: avoid deadlock on rtnl lock when auxiliary device
     plug/unplug meets bonding

   - dsa: mt7530:
      - remove now incorrect comment regarding port 5
      - set PLL frequency and trgmii only when trgmii is used

   - eth: mtk_eth_soc: reset PCS state when changing interface types

  Misc:

   - ynl: another license adjustment

   - move the TCA_EXT_WARN_MSG attribute for tc action"

* tag 'net-6.3-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (108 commits)
  selftests: bonding: add tests for ether type changes
  bonding: restore bond's IFF_SLAVE flag if a non-eth dev enslave fails
  bonding: restore IFF_MASTER/SLAVE flags on bond enslave ether type change
  net: renesas: rswitch: Fix GWTSDIE register handling
  net: renesas: rswitch: Fix the output value of quote from rswitch_rx()
  ethernet: sun: add check for the mdesc_grab()
  net: ipa: fix some register validity checks
  net: ipa: kill FILT_ROUT_CACHE_CFG IPA register
  net: ipa: add two missing declarations
  net: ipa: reg: include <linux/bug.h>
  net: xdp: don't call notifiers during driver init
  net/sched: act_api: add specific EXT_WARN_MSG for tc action
  Revert "net/sched: act_api: move TCA_EXT_WARN_MSG to the correct hierarchy"
  net: dsa: microchip: fix RGMII delay configuration on KSZ8765/KSZ8794/KSZ8795
  ynl: make the tooling check the license
  ynl: broaden the license even more
  tools: ynl: make definitions optional again
  hsr: ratelimit only when errors are printed
  qed/qed_mng_tlv: correctly zero out ->min instead of ->hour
  selftests: net: devlink_port_split.py: skip test if no suitable device available
  ...
2023-03-17 13:31:16 -07:00
Greg Kroah-Hartman
10a03c36b7 drivers: remove struct module * setting from struct class
There is no need to manually set the owner of a struct class, as the
registering function does it automatically, so remove all of the
explicit settings from various drivers that did so as it is unneeded.

This allows us to remove this pointer entirely from this structure going
forward.

Cc: "Rafael J. Wysocki" <rafael@kernel.org>
Link: https://lore.kernel.org/r/20230313181843.1207845-2-gregkh@linuxfoundation.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2023-03-17 15:16:27 +01:00
Hector Martin
79d1ed5ca7 wifi: cfg80211: Partial revert "wifi: cfg80211: Fix use after free for wext"
This reverts part of commit 015b8cc5e7 ("wifi: cfg80211: Fix use after
free for wext")

This commit broke WPA offload by unconditionally clearing the crypto
modes for non-WEP connections. Drop that part of the patch.

Signed-off-by: Hector Martin <marcan@marcan.st>
Reported-by: Ilya <me@0upti.me>
Reported-and-tested-by: Janne Grunau <j@jannau.net>
Reviewed-by: Eric Curtin <ecurtin@redhat.com>
Fixes: 015b8cc5e7 ("wifi: cfg80211: Fix use after free for wext")
Cc: stable@kernel.org
Link: https://lore.kernel.org/linux-wireless/ZAx0TWRBlGfv7pNl@kroah.com/T/#m11e6e0915ab8fa19ce8bc9695ab288c0fe018edf
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2023-03-12 16:21:59 -07:00
Jakub Kicinski
2af560e5a5 wireless-next patches for 6.4
Major changes:
 
 cfg80211
  * 6 GHz improvements
  * HW timestamping support
  * support for randomized auth/deauth TA for PASN privacy
    (also for mac80211)
 
 mac80211
  * radiotap TLV and EHT support for the iwlwifi sniffer
  * HW timestamping support
  * per-link debugfs for multi-link
 
 brcmfmac
  * support for Apple (M1 Pro/Max) devices
 
 iwlwifi
  * support for a few new devices
  * EHT sniffer support
 
 rtw88
  * better support for some SDIO devices
    (e.g. MAC address from efuse)
 
 rtw89
  * HW scan support for 8852b
  * better support for 6 GHz scanning
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Merge tag 'wireless-next-2023-03-10' of git://git.kernel.org/pub/scm/linux/kernel/git/wireless/wireless-next

Johannes Berg says:

====================
wireless-next patches for 6.4

Major changes:

cfg80211
 * 6 GHz improvements
 * HW timestamping support
 * support for randomized auth/deauth TA for PASN privacy
   (also for mac80211)

mac80211
 * radiotap TLV and EHT support for the iwlwifi sniffer
 * HW timestamping support
 * per-link debugfs for multi-link

brcmfmac
 * support for Apple (M1 Pro/Max) devices

iwlwifi
 * support for a few new devices
 * EHT sniffer support

rtw88
 * better support for some SDIO devices
   (e.g. MAC address from efuse)

rtw89
 * HW scan support for 8852b
 * better support for 6 GHz scanning

* tag 'wireless-next-2023-03-10' of git://git.kernel.org/pub/scm/linux/kernel/git/wireless/wireless-next: (84 commits)
  wifi: iwlwifi: mvm: fix EOF bit reporting
  wifi: iwlwifi: Do not include radiotap EHT user info if not needed
  wifi: iwlwifi: mvm: add EHT RU allocation to radiotap
  wifi: iwlwifi: Update logs for yoyo reset sw changes
  wifi: iwlwifi: mvm: clean up duplicated defines
  wifi: iwlwifi: rs-fw: break out for unsupported bandwidth
  wifi: iwlwifi: Add support for B step of BnJ-Fm4
  wifi: iwlwifi: mvm: make flush code a bit clearer
  wifi: iwlwifi: mvm: avoid UB shift of snif_queue
  wifi: iwlwifi: mvm: add primary 80 known for EHT radiotap
  wifi: iwlwifi: mvm: parse FW frame metadata for EHT sniffer mode
  wifi: iwlwifi: mvm: decode USIG_B1_B7 RU to nl80211 RU width
  wifi: iwlwifi: mvm: rename define to generic name
  wifi: iwlwifi: mvm: allow Microsoft to use TAS
  wifi: iwlwifi: mvm: add all EHT based on data0 info from HW
  wifi: iwlwifi: mvm: add EHT radiotap info based on rate_n_flags
  wifi: iwlwifi: mvm: add an helper function radiotap TLVs
  wifi: radiotap: separate vendor TLV into header/content
  wifi: iwlwifi: reduce verbosity of some logging events
  wifi: iwlwifi: Adding the code to get RF name for MsP device
  ...
====================

Link: https://lore.kernel.org/r/20230310120159.36518-1-johannes@sipsolutions.net
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2023-03-10 18:22:29 -08:00
Johannes Berg
96c0695083 wifi: cfg80211: fix MLO connection ownership
When disconnecting from an MLO connection we need the AP
MLD address, not an arbitrary BSSID. Fix the code to do
that.

Fixes: 9ecff10e82 ("wifi: nl80211: refactor BSS lookup in nl80211_associate()")
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Gregory Greenman <gregory.greenman@intel.com>
Link: https://lore.kernel.org/r/20230301115906.4c1b3b18980e.I008f070c7f3b8e8bde9278101ef9e40706a82902@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2023-03-10 11:47:25 +01:00
Johannes Berg
b27f07c50a wifi: nl80211: fix puncturing bitmap policy
This was meant to be a u32, and while applying the patch
I tried to use policy validation for it. However, not only
did I copy/paste it to u8 instead of u32, but also used
the policy range erroneously. Fix both of these issues.

Fixes: d7c1a9a0ed ("wifi: nl80211: validate and configure puncturing bitmap")
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2023-03-10 11:46:45 +01:00