Commit Graph

31739 Commits

Author SHA1 Message Date
David S. Miller
ddb535a6a0 A few big new things:
* 802.11 frame encapsulation offload support
  * more HE (802.11ax) support, including some for 6 GHz band
  * powersave in hwsim, for better testing
 
 Of course as usual there are various cleanups and small fixes.
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Merge tag 'mac80211-next-for-net-next-2020-02-14' of git://git.kernel.org/pub/scm/linux/kernel/git/jberg/mac80211-next

Johannes Berg says:

====================
A few big new things:
 * 802.11 frame encapsulation offload support
 * more HE (802.11ax) support, including some for 6 GHz band
 * powersave in hwsim, for better testing

Of course as usual there are various cleanups and small fixes.
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
2020-02-16 19:00:22 -08:00
Ben Greear
db6d9e9e8b mac80211: Fix setting txpower to zero
With multiple VIFS ath10k, and probably others, tries to find the
minimum txpower for all vifs and uses that when setting txpower in
the firmware.

If a second vif is added and starts to scan, it's txpower is not
initialized yet and it set to zero.

ath10k had a patch to ignore zero values, but then it is impossible
to actually set txpower to zero.

So, instead initialize the txpower to INT_MIN in mac80211, and let
drivers know that means the power has not been set and so should
be ignored.

This should fix regression in:

commit 88407beb1b
Author: Ryan Hsu <ryanhsu@qca.qualcomm.com>
Date:   Tue Dec 13 14:55:19 2016 -0800

    ath10k: fix incorrect txpower set by P2P_DEVICE interface

Tested on ath10k 9984 with ath10k-ct firmware.

Signed-off-by: Ben Greear <greearb@candelatech.com>
Link: https://lore.kernel.org/r/20191217183057.24586-1-greearb@candelatech.com
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2020-02-14 09:57:00 +01:00
David S. Miller
c76b305c23 wireless-drivers fixes for v5.6
First set of fixes for v5.6. Buffer overflow fixes to mwifiex, quite a
 few functionality fixes to iwlwifi and smaller fixes to other drivers.
 
 mwifiex
 
 * fix an unlock from a previous security fix
 
 * fix two buffer overflows
 
 libertas
 
 * fix two bugs from previous security fixes
 
 iwlwifi
 
 * fix module removal with multiple NICs
 
 * don't treat IGTK removal failure as an error
 
 * avoid FW crashes due to DTS measurement races
 
 * fix a potential use after free in FTM code
 
 * prevent a NULL pointer dereference in iwl_mvm_cfg_he_sta()
 
 * fix TDLS discovery
 
 * check all CPUs when trying to detect an error during resume
 
 rtw88
 
 * fix clang warning
 
 mt76
 
 * fix reading of max_nss value from a register
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Merge tag 'wireless-drivers-2020-02-08' of git://git.kernel.org/pub/scm/linux/kernel/git/kvalo/wireless-drivers

Kalle Valo says:

====================
wireless-drivers fixes for v5.6

First set of fixes for v5.6. Buffer overflow fixes to mwifiex, quite a
few functionality fixes to iwlwifi and smaller fixes to other drivers.

mwifiex

* fix an unlock from a previous security fix

* fix two buffer overflows

libertas

* fix two bugs from previous security fixes

iwlwifi

* fix module removal with multiple NICs

* don't treat IGTK removal failure as an error

* avoid FW crashes due to DTS measurement races

* fix a potential use after free in FTM code

* prevent a NULL pointer dereference in iwl_mvm_cfg_he_sta()

* fix TDLS discovery

* check all CPUs when trying to detect an error during resume

rtw88

* fix clang warning

mt76

* fix reading of max_nss value from a register
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
2020-02-08 15:03:11 +01:00
Lorenzo Bianconi
d08f3010f4 mt76: mt7615: fix max_nss in mt7615_eeprom_parse_hw_cap
Fix u8 cast reading max_nss from MT_TOP_STRAP_STA register in
mt7615_eeprom_parse_hw_cap routine

Fixes: acf5457fd9 ("mt76: mt7615: read {tx,rx} mask from eeprom")
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2020-02-08 11:59:03 +02:00
Alexey Dobriyan
97a32539b9 proc: convert everything to "struct proc_ops"
The most notable change is DEFINE_SHOW_ATTRIBUTE macro split in
seq_file.h.

Conversion rule is:

	llseek		=> proc_lseek
	unlocked_ioctl	=> proc_ioctl

	xxx		=> proc_xxx

	delete ".owner = THIS_MODULE" line

[akpm@linux-foundation.org: fix drivers/isdn/capi/kcapi_proc.c]
[sfr@canb.auug.org.au: fix kernel/sched/psi.c]
  Link: http://lkml.kernel.org/r/20200122180545.36222f50@canb.auug.org.au
Link: http://lkml.kernel.org/r/20191225172546.GB13378@avx2
Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2020-02-04 03:05:26 +00:00
Chin-Yen Lee
ebe8e6116a rtw88: Fix return value of rtw_wow_check_fw_status
Clang warns that ret is used uninitialzed.
And we found that actually the return type should be "int" instead
of "bool".

Fixes: 44bc17f7f5 ("rtw88: support wowlan feature for 8822c")
Link: https://github.com/ClangBuiltLinux/linux/issues/850
Reported-by: Nathan Chancellor <natechancellor@gmail.com>
Signed-off-by: Chin-Yen Lee <timlee@realtek.com>
Signed-off-by: Yan-Hsuan Chuang <yhchuang@realtek.com>
Reviewed-by: Nathan Chancellor <natechancellor@gmail.com>
Tested-by: Nathan Chancellor <natechancellor@gmail.com> # build
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2020-02-03 20:10:31 +02:00
Mordechay Goodstein
577ddbee1f iwlwifi: d3: read all FW CPUs error info
Continue the wakeup flow only if no FW CPUs have an error

If we don't check for error in all FW CPUs the driver can think
based on one CPU that the FW is operational and try to access
and send commands.

Also, handle the error_id endianness correctly as le32

Signed-off-by: Mordechay Goodstein <mordechay.goodstein@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2020-02-03 20:09:14 +02:00
Emmanuel Grumbach
b5b878e36c iwlwifi: mvm: fix TDLS discovery with the new firmware API
I changed the API for asking for a session protection but
I omitted the TDLS flows. Fix that now.
Note that for the TDLS flow, we need to block until the
session protection actually starts, so add this option
to iwl_mvm_schedule_session_protection.
This patch fixes a firmware assert in the TDLS flow since
the old TIME_EVENT_CMD is not supported anymore by newer
firwmare versions.

Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Fixes: fe959c7b20 ("iwlwifi: mvm: use the new session protection command")
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2020-02-03 20:09:13 +02:00
Andrei Otcheretianski
12d47f0ea5 iwlwifi: mvm: Check the sta is not NULL in iwl_mvm_cfg_he_sta()
Fix a kernel panic by checking that the sta is not NULL.
This could happen during a reconfig flow, as mac80211 moves the sta
between all the states without really checking if the previous state was
successfully set. So, if for some reason we failed to add back the
station, subsequent calls to sta_state() callback will be done when the
station is NULL. This would result in a following panic:

BUG: unable to handle kernel NULL pointer dereference at
0000000000000040
IP: iwl_mvm_cfg_he_sta+0xfc/0x690 [iwlmvm]
[..]
Call Trace:
 iwl_mvm_mac_sta_state+0x629/0x6f0 [iwlmvm]
 drv_sta_state+0xf4/0x950 [mac80211]
 ieee80211_reconfig+0xa12/0x2180 [mac80211]
 ieee80211_restart_work+0xbb/0xe0 [mac80211]
 process_one_work+0x1e2/0x610
 worker_thread+0x4d/0x3e0
[..]

Signed-off-by: Andrei Otcheretianski <andrei.otcheretianski@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2020-02-03 20:09:12 +02:00
Avraham Stern
cc4255eff5 iwlwifi: mvm: avoid use after free for pmsr request
When a FTM request is aborted, the driver sends the abort command to
the fw and waits for a response. When the response arrives, the driver
calls cfg80211_pmsr_complete() for that request.
However, cfg80211 frees the requested data immediately after sending
the abort command, so this may lead to use after free.

Fix it by clearing the request data in the driver when the abort
command arrives and ignoring the fw notification that will come
afterwards.

Signed-off-by: Avraham Stern <avraham.stern@intel.com>
Fixes: fc36ffda32 ("iwlwifi: mvm: support FTM initiator")
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2020-02-03 20:09:11 +02:00
Golan Ben Ami
6bd5fa332a iwlwifi: mvm: update the DTS measurement type
Till now, the driver asked the fw for a DTS measurement in automatic
mode. This triggered a flow in which the fw actively measured the
temperature.  This is not needed anymore, as the fw performs
measurements by itself, without the driver triggering them, and the
current cadence in which the fw performs such measurements is
sufficient.

In addition, in some time-sensitive scenarios, in which the driver asks
the fw for an active measurement twice in a short time (<100ms), the fw
asserts with code 0x20100801.

Change the DTS measurement to _WITHOUT_MEASURE instead, so the fw will
respond with the last measurement it has performed.

Signed-off-by: Golan Ben Ami <golan.ben.ami@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2020-02-03 20:09:10 +02:00
Luca Coelho
197288d5ba iwlwifi: don't throw error when trying to remove IGTK
The IGTK keys are only removed by mac80211 after it has already
removed the AP station.  This causes the driver to throw an error
because mac80211 is trying to remove the IGTK when the station doesn't
exist anymore.

The firmware is aware that the station has been removed and can deal
with it the next time we try to add an IGTK for a station, so we
shouldn't try to remove the key if the station ID is
IWL_MVM_INVALID_STA.  Do this by removing the check for mvm_sta before
calling iwl_mvm_send_sta_igtk() and check return from that function
gracefully if the station ID is invalid.

Cc: stable@vger.kernel.org # 4.12+
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2020-02-03 20:09:09 +02:00
Andrei Otcheretianski
baa6cf8450 iwlwifi: mvm: Fix thermal zone registration
Use a unique name when registering a thermal zone. Otherwise, with
multiple NICS, we hit the following warning during the unregistration.

WARNING: CPU: 2 PID: 3525 at fs/sysfs/group.c:255
 RIP: 0010:sysfs_remove_group+0x80/0x90
 Call Trace:
  dpm_sysfs_remove+0x57/0x60
  device_del+0x5a/0x350
  ? sscanf+0x4e/0x70
  device_unregister+0x1a/0x60
  hwmon_device_unregister+0x4a/0xa0
  thermal_remove_hwmon_sysfs+0x175/0x1d0
  thermal_zone_device_unregister+0x188/0x1e0
  iwl_mvm_thermal_exit+0xe7/0x100 [iwlmvm]
  iwl_op_mode_mvm_stop+0x27/0x180 [iwlmvm]
  _iwl_op_mode_stop.isra.3+0x2b/0x50 [iwlwifi]
  iwl_opmode_deregister+0x90/0xa0 [iwlwifi]
  __exit_compat+0x10/0x2c7 [iwlmvm]
  __x64_sys_delete_module+0x13f/0x270
  do_syscall_64+0x5a/0x110
  entry_SYSCALL_64_after_hwframe+0x44/0xa9

Signed-off-by: Andrei Otcheretianski <andrei.otcheretianski@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2020-02-03 20:09:08 +02:00
Akinobu Mita
b1a79b2f31 iwlwifi: use <linux/units.h> helpers
This switches the iwlwifi driver to use celsius_to_kelvin() and
kelvin_to_celsius() in <linux/units.h>.

Link: http://lkml.kernel.org/r/1576386975-7941-11-git-send-email-akinobu.mita@gmail.com
Signed-off-by: Akinobu Mita <akinobu.mita@gmail.com>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Acked-by: Luca Coelho <luciano.coelho@intel.com>
Cc: Kalle Valo <kvalo@codeaurora.org>
Cc: Johannes Berg <johannes.berg@intel.com>
Cc: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Cc: Luca Coelho <luciano.coelho@intel.com>
Cc: Amit Kucheria <amit.kucheria@verdurent.com>
Cc: Andy Shevchenko <andy@infradead.org>
Cc: Christoph Hellwig <hch@lst.de>
Cc: Daniel Lezcano <daniel.lezcano@linaro.org>
Cc: Darren Hart <dvhart@infradead.org>
Cc: Guenter Roeck <linux@roeck-us.net>
Cc: Hartmut Knaack <knaack.h@gmx.de>
Cc: Jean Delvare <jdelvare@suse.com>
Cc: Jens Axboe <axboe@fb.com>
Cc: Jonathan Cameron <jic23@kernel.org>
Cc: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Cc: Keith Busch <kbusch@kernel.org>
Cc: Lars-Peter Clausen <lars@metafoo.de>
Cc: Peter Meerwald-Stadler <pmeerw@pmeerw.net>
Cc: Sagi Grimberg <sagi@grimberg.me>
Cc: Stanislaw Gruszka <sgruszka@redhat.com>
Cc: Sujith Thomas <sujith.thomas@intel.com>
Cc: Zhang Rui <rui.zhang@intel.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2020-01-31 10:30:40 -08:00
Akinobu Mita
1410b2fc8d iwlegacy: use <linux/units.h> helpers
This switches the iwlegacy driver to use celsius_to_kelvin() and
kelvin_to_celsius() in <linux/units.h>.

[akinobu.mita@gmail.com: fix build warnings with format string]
  Link: http://lkml.kernel.org/r/1579014483-9226-1-git-send-email-akinobu.mita@gmail.com
  Link: https://lore.kernel.org/r/20200106171452.201c3b4c@canb.auug.org.au
Link: http://lkml.kernel.org/r/1576386975-7941-10-git-send-email-akinobu.mita@gmail.com
Signed-off-by: Akinobu Mita <akinobu.mita@gmail.com>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Acked-by: Kalle Valo <kvalo@codeaurora.org>
Cc: Kalle Valo <kvalo@codeaurora.org>
Cc: Stanislaw Gruszka <sgruszka@redhat.com>
Cc: Amit Kucheria <amit.kucheria@verdurent.com>
Cc: Andy Shevchenko <andy@infradead.org>
Cc: Christoph Hellwig <hch@lst.de>
Cc: Daniel Lezcano <daniel.lezcano@linaro.org>
Cc: Darren Hart <dvhart@infradead.org>
Cc: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Cc: Guenter Roeck <linux@roeck-us.net>
Cc: Hartmut Knaack <knaack.h@gmx.de>
Cc: Jean Delvare <jdelvare@suse.com>
Cc: Jens Axboe <axboe@fb.com>
Cc: Johannes Berg <johannes.berg@intel.com>
Cc: Jonathan Cameron <jic23@kernel.org>
Cc: Keith Busch <kbusch@kernel.org>
Cc: Lars-Peter Clausen <lars@metafoo.de>
Cc: Luca Coelho <luciano.coelho@intel.com>
Cc: Peter Meerwald-Stadler <pmeerw@pmeerw.net>
Cc: Sagi Grimberg <sagi@grimberg.me>
Cc: Sujith Thomas <sujith.thomas@intel.com>
Cc: Zhang Rui <rui.zhang@intel.com>
Cc: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2020-01-31 10:30:40 -08:00
Linus Torvalds
bd2463ac7d Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next
Pull networking updates from David Miller:

 1) Add WireGuard

 2) Add HE and TWT support to ath11k driver, from John Crispin.

 3) Add ESP in TCP encapsulation support, from Sabrina Dubroca.

 4) Add variable window congestion control to TIPC, from Jon Maloy.

 5) Add BCM84881 PHY driver, from Russell King.

 6) Start adding netlink support for ethtool operations, from Michal
    Kubecek.

 7) Add XDP drop and TX action support to ena driver, from Sameeh
    Jubran.

 8) Add new ipv4 route notifications so that mlxsw driver does not have
    to handle identical routes itself. From Ido Schimmel.

 9) Add BPF dynamic program extensions, from Alexei Starovoitov.

10) Support RX and TX timestamping in igc, from Vinicius Costa Gomes.

11) Add support for macsec HW offloading, from Antoine Tenart.

12) Add initial support for MPTCP protocol, from Christoph Paasch,
    Matthieu Baerts, Florian Westphal, Peter Krystad, and many others.

13) Add Octeontx2 PF support, from Sunil Goutham, Geetha sowjanya, Linu
    Cherian, and others.

* git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next: (1469 commits)
  net: phy: add default ARCH_BCM_IPROC for MDIO_BCM_IPROC
  udp: segment looped gso packets correctly
  netem: change mailing list
  qed: FW 8.42.2.0 debug features
  qed: rt init valid initialization changed
  qed: Debug feature: ilt and mdump
  qed: FW 8.42.2.0 Add fw overlay feature
  qed: FW 8.42.2.0 HSI changes
  qed: FW 8.42.2.0 iscsi/fcoe changes
  qed: Add abstraction for different hsi values per chip
  qed: FW 8.42.2.0 Additional ll2 type
  qed: Use dmae to write to widebus registers in fw_funcs
  qed: FW 8.42.2.0 Parser offsets modified
  qed: FW 8.42.2.0 Queue Manager changes
  qed: FW 8.42.2.0 Expose new registers and change windows
  qed: FW 8.42.2.0 Internal ram offsets modifications
  MAINTAINERS: Add entry for Marvell OcteonTX2 Physical Function driver
  Documentation: net: octeontx2: Add RVU HW and drivers overview
  octeontx2-pf: ethtool RSS config support
  octeontx2-pf: Add basic ethtool support
  ...
2020-01-28 16:02:33 -08:00
Linus Torvalds
c0e809e244 Merge branch 'perf-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull perf updates from Ingo Molnar:
 "Kernel side changes:

   - Ftrace is one of the last W^X violators (after this only KLP is
     left). These patches move it over to the generic text_poke()
     interface and thereby get rid of this oddity. This requires a
     surprising amount of surgery, by Peter Zijlstra.

   - x86/AMD PMUs: add support for 'Large Increment per Cycle Events' to
     count certain types of events that have a special, quirky hw ABI
     (by Kim Phillips)

   - kprobes fixes by Masami Hiramatsu

  Lots of tooling updates as well, the following subcommands were
  updated: annotate/report/top, c2c, clang, record, report/top TUI,
  sched timehist, tests; plus updates were done to the gtk ui, libperf,
  headers and the parser"

* 'perf-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (57 commits)
  perf/x86/amd: Add support for Large Increment per Cycle Events
  perf/x86/amd: Constrain Large Increment per Cycle events
  perf/x86/intel/rapl: Add Comet Lake support
  tracing: Initialize ret in syscall_enter_define_fields()
  perf header: Use last modification time for timestamp
  perf c2c: Fix return type for histogram sorting comparision functions
  perf beauty sockaddr: Fix augmented syscall format warning
  perf/ui/gtk: Fix gtk2 build
  perf ui gtk: Add missing zalloc object
  perf tools: Use %define api.pure full instead of %pure-parser
  libperf: Setup initial evlist::all_cpus value
  perf report: Fix no libunwind compiled warning break s390 issue
  perf tools: Support --prefix/--prefix-strip
  perf report: Clarify in help that --children is default
  tools build: Fix test-clang.cpp with Clang 8+
  perf clang: Fix build with Clang 9
  kprobes: Fix optimize_kprobe()/unoptimize_kprobe() cancellation logic
  tools lib: Fix builds when glibc contains strlcpy()
  perf report/top: Make 'e' visible in the help and make it toggle showing callchains
  perf report/top: Do not offer annotation for symbols without samples
  ...
2020-01-28 09:44:15 -08:00
Linus Torvalds
d99391ec2b Merge branch 'core-rcu-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull RCU updates from Ingo Molnar:
 "The RCU changes in this cycle were:
   - Expedited grace-period updates
   - kfree_rcu() updates
   - RCU list updates
   - Preemptible RCU updates
   - Torture-test updates
   - Miscellaneous fixes
   - Documentation updates"

* 'core-rcu-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (69 commits)
  rcu: Remove unused stop-machine #include
  powerpc: Remove comment about read_barrier_depends()
  .mailmap: Add entries for old paulmck@kernel.org addresses
  srcu: Apply *_ONCE() to ->srcu_last_gp_end
  rcu: Switch force_qs_rnp() to for_each_leaf_node_cpu_mask()
  rcu: Move rcu_{expedited,normal} definitions into rcupdate.h
  rcu: Move gp_state_names[] and gp_state_getname() to tree_stall.h
  rcu: Remove the declaration of call_rcu() in tree.h
  rcu: Fix tracepoint tracking RCU CPU kthread utilization
  rcu: Fix harmless omission of "CONFIG_" from #if condition
  rcu: Avoid tick_dep_set_cpu() misordering
  rcu: Provide wrappers for uses of ->rcu_read_lock_nesting
  rcu: Use READ_ONCE() for ->expmask in rcu_read_unlock_special()
  rcu: Clear ->rcu_read_unlock_special only once
  rcu: Clear .exp_hint only when deferred quiescent state has been reported
  rcu: Rename some instance of CONFIG_PREEMPTION to CONFIG_PREEMPT_RCU
  rcu: Remove kfree_call_rcu_nobatch()
  rcu: Remove kfree_rcu() special casing and lazy-callback handling
  rcu: Add support for debug_objects debugging for kfree_rcu()
  rcu: Add multiple in-flight batches of kfree_rcu() work
  ...
2020-01-28 08:46:13 -08:00
Linus Torvalds
6a1000bd27 ioremap changes for 5.6
- remove ioremap_nocache given that is is equivalent to
    ioremap everywhere
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Merge tag 'ioremap-5.6' of git://git.infradead.org/users/hch/ioremap

Pull ioremap updates from Christoph Hellwig:
 "Remove the ioremap_nocache API (plus wrappers) that are always
  identical to ioremap"

* tag 'ioremap-5.6' of git://git.infradead.org/users/hch/ioremap:
  remove ioremap_nocache and devm_ioremap_nocache
  MIPS: define ioremap_nocache to ioremap
2020-01-27 13:03:00 -08:00
Nicolai Stange
1754c4f60a libertas: make lbs_ibss_join_existing() return error code on rates overflow
Commit e5e884b426 ("libertas: Fix two buffer overflows at parsing bss
descriptor") introduced a bounds check on the number of supplied rates to
lbs_ibss_join_existing() and made it to return on overflow.

However, the aforementioned commit doesn't set the return value accordingly
and thus, lbs_ibss_join_existing() would return with zero even though it
failed.

Make lbs_ibss_join_existing return -EINVAL in case the bounds check on the
number of supplied rates fails.

Fixes: e5e884b426 ("libertas: Fix two buffer overflows at parsing bss descriptor")
Signed-off-by: Nicolai Stange <nstange@suse.de>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2020-01-27 16:36:33 +02:00
Nicolai Stange
c7bf1fb7dd libertas: don't exit from lbs_ibss_join_existing() with RCU read lock held
Commit e5e884b426 ("libertas: Fix two buffer overflows at parsing bss
descriptor") introduced a bounds check on the number of supplied rates to
lbs_ibss_join_existing().

Unfortunately, it introduced a return path from within a RCU read side
critical section without a corresponding rcu_read_unlock(). Fix this.

Fixes: e5e884b426 ("libertas: Fix two buffer overflows at parsing bss descriptor")
Signed-off-by: Nicolai Stange <nstange@suse.de>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2020-01-27 16:35:55 +02:00
Qing Xu
b70261a288 mwifiex: Fix possible buffer overflows in mwifiex_cmd_append_vsie_tlv()
mwifiex_cmd_append_vsie_tlv() calls memcpy() without checking
the destination size may trigger a buffer overflower,
which a local user could use to cause denial of service
or the execution of arbitrary code.
Fix it by putting the length check before calling memcpy().

Signed-off-by: Qing Xu <m1s5p6688@gmail.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2020-01-27 16:34:34 +02:00
Qing Xu
3a9b153c55 mwifiex: Fix possible buffer overflows in mwifiex_ret_wmm_get_status()
mwifiex_ret_wmm_get_status() calls memcpy() without checking the
destination size.Since the source is given from remote AP which
contains illegal wmm elements , this may trigger a heap buffer
overflow.
Fix it by putting the length check before calling memcpy().

Signed-off-by: Qing Xu <m1s5p6688@gmail.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2020-01-27 16:34:33 +02:00
Brian Norris
65b1aae0d9 mwifiex: fix unbalanced locking in mwifiex_process_country_ie()
We called rcu_read_lock(), so we need to call rcu_read_unlock() before
we return.

Fixes: 3d94a4a837 ("mwifiex: fix possible heap overflow in mwifiex_process_country_ie()")
Cc: stable@vger.kernel.org
Cc: huangwen <huangwenabc@gmail.com>
Cc: Ganapathi Bhat <ganapathi.bhat@nxp.com>
Signed-off-by: Brian Norris <briannorris@chromium.org>
Acked-by: Ganapathi Bhat <ganapathi.bhat@nxp.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2020-01-27 16:33:14 +02:00
David S. Miller
82bc2e4a26 wireless-drivers-next patches for v5.6
Second set of patches for v5.6. Nothing special standing out, smaller
 new features and fixes allover.
 
 Major changes:
 
 ar5523
 
 * add support for SMCWUSBT-G2 USB device
 
 iwlwifi
 
 * support new versions of the FTM FW APIs
 
 * support new version of the beacon template FW API
 
 * print some extra information when the driver is loaded
 
 rtw88
 
 * support wowlan feature for 8822c
 
 * add support for WIPHY_WOWLAN_NET_DETECT
 
 brcmfmac
 
 * add initial support for monitor mode
 
 qtnfmac
 
 * add module parameter to enable DFS offloading in firmware
 
 * add support for STA HE rates
 
 * add support for TWT responder and spatial reuse
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Merge tag 'wireless-drivers-next-2020-01-26' of git://git.kernel.org/pub/scm/linux/kernel/git/kvalo/wireless-drivers-next

Kalle Valo says:

====================
wireless-drivers-next patches for v5.6

Second set of patches for v5.6. Nothing special standing out, smaller
new features and fixes allover.

Major changes:

ar5523

* add support for SMCWUSBT-G2 USB device

iwlwifi

* support new versions of the FTM FW APIs

* support new version of the beacon template FW API

* print some extra information when the driver is loaded

rtw88

* support wowlan feature for 8822c

* add support for WIPHY_WOWLAN_NET_DETECT

brcmfmac

* add initial support for monitor mode

qtnfmac

* add module parameter to enable DFS offloading in firmware

* add support for STA HE rates

* add support for TWT responder and spatial reuse
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
2020-01-27 11:25:36 +01:00
Kalle Valo
2a13513f99 Merge ath-next from git://git.kernel.org/pub/scm/linux/kernel/git/kvalo/ath.git
ath.git patches for v5.6. Major changes:

ar5523

* add support for SMCWUSBT-G2 USB device
2020-01-26 17:54:46 +02:00
Colin Ian King
c2f9a4e4a5 iwlegacy: ensure loop counter addr does not wrap and cause an infinite loop
The loop counter addr is a u16 where as the upper limit of the loop
is an int. In the unlikely event that the il->cfg->eeprom_size is
greater than 64K then we end up with an infinite loop since addr will
wrap around an never reach upper loop limit. Fix this by making addr
an int.

Addresses-Coverity: ("Infinite loop")
Fixes: be663ab670 ("iwlwifi: split the drivers for agn and legacy devices 3945/4965")
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Acked-by: Stanislaw Gruszka <stf_xl@wp.pl>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2020-01-26 17:51:47 +02:00
Colin Ian King
f76c34082b rtlwifi: btcoex: fix spelling mistake "initilized" -> "initialized"
There is a spelling mistake in one of the fields in the btc_coexist struct,
fix it.

Signed-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2020-01-26 17:47:54 +02:00
YueHaibing
c5f9852411 rtlwifi: rtl8723ae: remove unused variables
drivers/net/wireless/realtek/rtlwifi/rtl8723ae/dm.c:16:18:
 warning: ofdmswing_table defined but not used [-Wunused-const-variable=]
drivers/net/wireless/realtek/rtlwifi/rtl8723ae/dm.c:56:17:
 warning: cckswing_table_ch1ch13 defined but not used [-Wunused-const-variable=]
drivers/net/wireless/realtek/rtlwifi/rtl8723ae/dm.c:92:17:
 warning: cckswing_table_ch14 defined but not used [-Wunused-const-variable=]

These variable is never used, so remove them.

Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: YueHaibing <yuehaibing@huawei.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2020-01-26 17:47:10 +02:00
YueHaibing
253e5aba93 rtlwifi: rtl8192ee: remove unused variables
drivers/net/wireless/realtek/rtlwifi/rtl8192ee/dm.c:15:18:
 warning: ofdmswing_table defined but not used [-Wunused-const-variable=]
drivers/net/wireless/realtek/rtlwifi/rtl8192ee/dm.c:61:17:
 warning: cckswing_table_ch1ch13 defined but not used [-Wunused-const-variable=]
drivers/net/wireless/realtek/rtlwifi/rtl8192ee/dm.c:97:17:
 warning: cckswing_table_ch14 defined but not used [-Wunused-const-variable=]

These variable is never used, so remove them.

Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: YueHaibing <yuehaibing@huawei.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2020-01-26 17:46:39 +02:00
YueHaibing
cc071a6f26 rtlwifi: rtl8821ae: remove unused variables
drivers/net/wireless/realtek/rtlwifi/rtl8821ae/dm.c:142:17:
 warning: cckswing_table_ch1ch13 defined but not used [-Wunused-const-variable=]
drivers/net/wireless/realtek/rtlwifi/rtl8821ae/dm.c:178:17:
 warning: cckswing_table_ch14 defined but not used [-Wunused-const-variable=]
drivers/net/wireless/realtek/rtlwifi/rtl8821ae/dm.c:96:18:
 warning: ofdmswing_table defined but not used [-Wunused-const-variable=]

These variable is never used, so remove them.

Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: YueHaibing <yuehaibing@huawei.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2020-01-26 17:45:43 +02:00
Colin Ian King
c3a913357c rtlwifi: rtl8188ee: remove redundant assignment to variable cond
Variable cond is being assigned with a value that is never
read, it is assigned a new value later on. The assignment is
redundant and can be removed.

Addresses-Coverity: ("Unused value")
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Acked-by: Ping-Ke Shih <pkshih@realtek.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2020-01-26 17:45:15 +02:00
Mikhail Karpenko
ed7791d9d0 qtnfmac: add support for TWT responder and spatial reuse
Add support for 11ax features: TWT responder and spatial reuse.
Add separate structure for spatial reuse parameters and pass this
structure to firmware along with other parameters in start_ap
command. Pass TWT responder value to firmware. Bump qlink
protocol version.

Signed-off-by: Mikhail Karpenko <mkarpenko@quantenna.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2020-01-26 17:44:02 +02:00
Sergey Matyukevich
b73f0aac73 qtnfmac: add support for STA HE rates
Add HE rates into STA info. Report HE Rx/Tx MCS if STA supports them.

Signed-off-by: Sergey Matyukevich <sergey.matyukevich.os@quantenna.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2020-01-26 17:44:01 +02:00
Sergey Matyukevich
e14291752e qtnfmac: control qtnfmac wireless interfaces bridging
Bridging qtnfmac interfaces is possible only if the following two
conditions are fulfilled:
- firmware advertises proper support with QLINK_HW_CAPAB_HW_BRIDGE
- kernel is built with CONFIG_NET_SWITCHDEV support

Otherwise adding qtnfmac wireless interfaces into the same bridge
should not be allowed since packets flooded by kernel may break
internal forwarding rules between interfaces.

This patch disables adding qtnfmac wireless interfaces into the
same bridge if no support is provided either by card or by kernel.

Signed-off-by: Sergey Matyukevich <sergey.matyukevich.os@quantenna.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2020-01-26 17:44:00 +02:00
Sergey Matyukevich
155b424c86 qtnfmac: add module param to configure DFS offload
Firmware may support DFS offload. However the final decision on whether
to use it or not should be up to the user. So even if firmware supports
DFS offload, it should be enabled only if user explicitly requests it.
For this purpose introduce kernel param dfs_offload which is disabled
by default.

Signed-off-by: Sergey Matyukevich <sergey.matyukevich.os@quantenna.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2020-01-26 17:43:58 +02:00
Sergey Matyukevich
e92b07a20b qtnfmac: cleanup slave_radar access function
Currently this parameter is global, it is not specific to mac.
So this function does not need any input parameters.

Signed-off-by: Sergey Matyukevich <sergey.matyukevich.os@quantenna.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2020-01-26 17:43:57 +02:00
yuehaibing
627b0d0942 brcmfmac: Remove always false 'idx < 0' statement
idx is declared as u32, it will never less than 0.

Signed-off-by: yuehaibing <yuehaibing@huawei.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2020-01-26 17:43:28 +02:00
Yan-Hsuan Chuang
6b6c150b84 rtw88: use shorter delay time to poll PS state
When TX packet arrives, driver should leave deep PS state to make
sure the DMA is working. After requested to leave deep PS state,
driver needs to poll the PS state to check if the mode has been
changed successfully. The driver used to check the state of the
hardware every 20 msecs, which means upon the first failure of
state check, the CPU is delayed 20 msecs for next check. This is
harmful for some time-sensitive applications such as media players.

So, use shorter delay time each check from 20 msecs to 100 usecs.
The state should be changed in several tries. But we still need
to reserve ~15 msecs in total in case of the state just took too
long to be changed successfully. If the states of driver and the
hardware is not synchronized, the power state could be locked
forever, which mean we could never enter/leave the PS state.

Signed-off-by: Yan-Hsuan Chuang <yhchuang@realtek.com>
Reviewed-by: Chris Chiu <chiu@endlessm.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2020-01-26 17:42:56 +02:00
Yan-Hsuan Chuang
f4f84ff837 rtw88: fix potential NULL skb access in TX ISR
Sometimes the TX queue may be empty and we could possible
dequeue a NULL pointer, crash the kernel. If the skb is NULL
then there is nothing to do, just leave the ISR.

And the TX queue should not be empty here, so print an error
to see if there is anything wrong for DMA ring.

Fixes: e3037485c6 ("rtw88: new Realtek 802.11ac driver")
Signed-off-by: Yan-Hsuan Chuang <yhchuang@realtek.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2020-01-26 17:42:31 +02:00
Rafał Miłecki
20f2c5fa3a brcmfmac: add initial support for monitor mode
Report monitor interface availability using cfg80211 and support it in
the add_virtual_intf() and del_virtual_intf() callbacks. This new
feature is conditional and depends on firmware flagging monitor packets.
Receiving monitor frames is already handled by the brcmf_netif_mon_rx().

Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2020-01-26 17:41:50 +02:00
Rafał Miłecki
24332f8068 brcmfmac: simplify building interface combinations
Move similar/duplicated code out of combination specific code blocks.
This simplifies code a bit and allows adding more combinations later.
A list of combinations remains unchanged.

Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2020-01-26 17:41:48 +02:00
Jean-Philippe Brucker
8c8e60fb86 brcmfmac: sdio: Fix OOB interrupt initialization on brcm43362
Commit 262f2b53f6 ("brcmfmac: call brcmf_attach() just before calling
brcmf_bus_started()") changed the initialization order of the brcmfmac
SDIO driver. Unfortunately since brcmf_sdiod_intr_register() is now
called before the sdiodev->bus_if initialization, it reads the wrong
chip ID and fails to initialize the GPIO on brcm43362. Thus the chip
cannot send interrupts and fails to probe:

[   12.517023] brcmfmac: brcmf_sdio_bus_rxctl: resumed on timeout
[   12.531214] ieee80211 phy0: brcmf_bus_started: failed: -110
[   12.536976] ieee80211 phy0: brcmf_attach: dongle is not responding: err=-110
[   12.566467] brcmfmac: brcmf_sdio_firmware_callback: brcmf_attach failed

Initialize the bus interface earlier to ensure that
brcmf_sdiod_intr_register() properly sets up the OOB interrupt.

BugLink: https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=908438
Fixes: 262f2b53f6 ("brcmfmac: call brcmf_attach() just before calling brcmf_bus_started()")
Signed-off-by: Jean-Philippe Brucker <jean-philippe@linaro.org>
Reviewed-by: Arend van Spriel <arend.vanspriel@broadcom.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2020-01-26 17:41:18 +02:00
zhengbin
b92c017ded brcmfmac: use true,false for bool variable
Fixes coccicheck warning:

drivers/net/wireless/broadcom/brcm80211/brcmfmac/fwsignal.c:911:2-24: WARNING: Assignment of 0/1 to bool variable

Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: zhengbin <zhengbin13@huawei.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2020-01-26 17:40:44 +02:00
zhengbin
ab36bb72d0 cw1200: use true,false for bool variable
Fixes coccicheck warning:

drivers/net/wireless/st/cw1200/txrx.c:718:6-16: WARNING: Assignment of 0/1 to bool variable

Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: zhengbin <zhengbin13@huawei.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2020-01-26 17:40:43 +02:00
zhengbin
891984bccf rtw88: use true,false for bool variable
Fixes coccicheck warning:

drivers/net/wireless/realtek/rtw88/phy.c:1437:1-24: WARNING: Assignment of 0/1 to bool variable

Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: zhengbin <zhengbin13@huawei.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2020-01-26 17:40:42 +02:00
Amadeusz Sławiński
8ddd4a2a6b rtlwifi: rtl8821ae: Make functions static & rm sw.h
Some of functions which were exposed in sw.h, are only used in sw.c, so
just make them static. This makes sw.h unnecessary, so remove it.

Signed-off-by: Amadeusz Sławiński <amade@asmblr.net>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2020-01-26 17:39:45 +02:00
Amadeusz Sławiński
02a214e29e rtlwifi: rtl8723be: Make functions static & rm sw.h
Some of functions which were exposed in sw.h, are only used in sw.c, so
just make them static. This makes sw.h unnecessary, so remove it.

Signed-off-by: Amadeusz Sławiński <amade@asmblr.net>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2020-01-26 17:39:44 +02:00
Amadeusz Sławiński
c218acfaa6 rtlwifi: rtl8723ae: Make functions static & rm sw.h
Some of functions which were exposed in sw.h, are only used in sw.c, so
just make them static. This makes sw.h unnecessary, so remove it.

Signed-off-by: Amadeusz Sławiński <amade@asmblr.net>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2020-01-26 17:39:42 +02:00
Amadeusz Sławiński
5b2640835a rtlwifi: rtl8192se: Remove sw.h header
It has one define, which is already defined in include from reg.h.
All the declared functions are not implemented anywhere, sw.c has
ones with similar names which are already static.

Signed-off-by: Amadeusz Sławiński <amade@asmblr.net>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2020-01-26 17:39:41 +02:00