Commit Graph

789 Commits

Author SHA1 Message Date
Thomas Gleixner
ec8f24b7fa treewide: Add SPDX license identifier - Makefile/Kconfig
Add SPDX license identifiers to all Make/Kconfig files which:

 - Have no license information of any form

These files fall under the project license, GPL v2 only. The resulting SPDX
license identifier is:

  GPL-2.0-only

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-05-21 10:50:46 +02:00
David S. Miller
6ffe0acc93 wireless-drivers-next patches for 5.2
Most likely the last patchset of new feature for 5.2, and this time we
 have quite a lot of new features. Most obvious being rtw88 from
 Realtek which supports RTL8822BE and RTL8822CE 802.11ac devices. We
 have also new hardware support for existing drivers and improvements.
 
 There's one conflict in iwlwifi, my example conflict resolution below.
 
 Major changes:
 
 iwlwifi
 
 * bump the 20000-series FW API version
 
 * work on new hardware continues
 
 * RTT confidence indication support for Fine Timing Measurement (FTM)
 
 * an improvement in HE (802.11ax) rate-scaling
 
 * add command version parsing from the fimware TLVs
 
 * add support for a new WoWLAN patterns firmware API
 
 rsi
 
 * add support for rs9116
 
 mwifiex
 
 * add support for SD8987
 
 brcmfmac
 
 * add quirk for ACEPC T8 and T11 mini PCs
 
 rt2x00
 
 * add RT3883 support
 
 qtnfmac
 
 * fix debugfs interface to support multiple cards
 
 rtw88
 
 * new driver
 
 mt76
 
 * share more code across drivers
 
 * add support for MT7615 chipset
 
 * rework DMA API
 
 * tx/rx performance optimizations
 
 * use NAPI for tx cleanup on mt76x02
 
 * AP mode support for USB devices
 
 * USB stability fixes
 
 * tx power handling fixes for 76x2
 
 * endian fixes
 
 Conflicts:
 
 There's a trivial conflict in
 drivers/net/wireless/intel/iwlwifi/fw/file.h, just leave
 IWL_UCODE_TLV_FW_FSEQ_VERSION to the file. 'git diff' output should be
 just empty:
 
 diff --cc drivers/net/wireless/intel/iwlwifi/fw/file.h
 index cd622af90077,b0671e16e1ce..000000000000
 --- a/drivers/net/wireless/intel/iwlwifi/fw/file.h
 +++ b/drivers/net/wireless/intel/iwlwifi/fw/file.h
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Merge tag 'wireless-drivers-next-for-davem-2019-05-03' of git://git.kernel.org/pub/scm/linux/kernel/git/kvalo/wireless-drivers-next

Kalle Valo says:

====================
wireless-drivers-next patches for 5.2

Most likely the last patchset of new feature for 5.2, and this time we
have quite a lot of new features. Most obvious being rtw88 from
Realtek which supports RTL8822BE and RTL8822CE 802.11ac devices. We
have also new hardware support for existing drivers and improvements.

There's one conflict in iwlwifi, my example conflict resolution below.

Major changes:

iwlwifi

* bump the 20000-series FW API version

* work on new hardware continues

* RTT confidence indication support for Fine Timing Measurement (FTM)

* an improvement in HE (802.11ax) rate-scaling

* add command version parsing from the fimware TLVs

* add support for a new WoWLAN patterns firmware API

rsi

* add support for rs9116

mwifiex

* add support for SD8987

brcmfmac

* add quirk for ACEPC T8 and T11 mini PCs

rt2x00

* add RT3883 support

qtnfmac

* fix debugfs interface to support multiple cards

rtw88

* new driver

mt76

* share more code across drivers

* add support for MT7615 chipset

* rework DMA API

* tx/rx performance optimizations

* use NAPI for tx cleanup on mt76x02

* AP mode support for USB devices

* USB stability fixes

* tx power handling fixes for 76x2

* endian fixes

Conflicts:

There's a trivial conflict in
drivers/net/wireless/intel/iwlwifi/fw/file.h, just leave
IWL_UCODE_TLV_FW_FSEQ_VERSION to the file. 'git diff' output should be
just empty:

diff --cc drivers/net/wireless/intel/iwlwifi/fw/file.h
index cd622af90077,b0671e16e1ce..000000000000
--- a/drivers/net/wireless/intel/iwlwifi/fw/file.h
+++ b/drivers/net/wireless/intel/iwlwifi/fw/file.h
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
2019-05-05 10:20:53 -07:00
Johannes Berg
8cb081746c netlink: make validation more configurable for future strictness
We currently have two levels of strict validation:

 1) liberal (default)
     - undefined (type >= max) & NLA_UNSPEC attributes accepted
     - attribute length >= expected accepted
     - garbage at end of message accepted
 2) strict (opt-in)
     - NLA_UNSPEC attributes accepted
     - attribute length >= expected accepted

Split out parsing strictness into four different options:
 * TRAILING     - check that there's no trailing data after parsing
                  attributes (in message or nested)
 * MAXTYPE      - reject attrs > max known type
 * UNSPEC       - reject attributes with NLA_UNSPEC policy entries
 * STRICT_ATTRS - strictly validate attribute size

The default for future things should be *everything*.
The current *_strict() is a combination of TRAILING and MAXTYPE,
and is renamed to _deprecated_strict().
The current regular parsing has none of this, and is renamed to
*_parse_deprecated().

Additionally it allows us to selectively set one of the new flags
even on old policies. Notably, the UNSPEC flag could be useful in
this case, since it can be arranged (by filling in the policy) to
not be an incompatible userspace ABI change, but would then going
forward prevent forgetting attribute entries. Similar can apply
to the POLICY flag.

We end up with the following renames:
 * nla_parse           -> nla_parse_deprecated
 * nla_parse_strict    -> nla_parse_deprecated_strict
 * nlmsg_parse         -> nlmsg_parse_deprecated
 * nlmsg_parse_strict  -> nlmsg_parse_deprecated_strict
 * nla_parse_nested    -> nla_parse_nested_deprecated
 * nla_validate_nested -> nla_validate_nested_deprecated

Using spatch, of course:
    @@
    expression TB, MAX, HEAD, LEN, POL, EXT;
    @@
    -nla_parse(TB, MAX, HEAD, LEN, POL, EXT)
    +nla_parse_deprecated(TB, MAX, HEAD, LEN, POL, EXT)

    @@
    expression NLH, HDRLEN, TB, MAX, POL, EXT;
    @@
    -nlmsg_parse(NLH, HDRLEN, TB, MAX, POL, EXT)
    +nlmsg_parse_deprecated(NLH, HDRLEN, TB, MAX, POL, EXT)

    @@
    expression NLH, HDRLEN, TB, MAX, POL, EXT;
    @@
    -nlmsg_parse_strict(NLH, HDRLEN, TB, MAX, POL, EXT)
    +nlmsg_parse_deprecated_strict(NLH, HDRLEN, TB, MAX, POL, EXT)

    @@
    expression TB, MAX, NLA, POL, EXT;
    @@
    -nla_parse_nested(TB, MAX, NLA, POL, EXT)
    +nla_parse_nested_deprecated(TB, MAX, NLA, POL, EXT)

    @@
    expression START, MAX, POL, EXT;
    @@
    -nla_validate_nested(START, MAX, POL, EXT)
    +nla_validate_nested_deprecated(START, MAX, POL, EXT)

    @@
    expression NLH, HDRLEN, MAX, POL, EXT;
    @@
    -nlmsg_validate(NLH, HDRLEN, MAX, POL, EXT)
    +nlmsg_validate_deprecated(NLH, HDRLEN, MAX, POL, EXT)

For this patch, don't actually add the strict, non-renamed versions
yet so that it breaks compile if I get it wrong.

Also, while at it, make nla_validate and nla_parse go down to a
common __nla_validate_parse() function to avoid code duplication.

Ultimately, this allows us to have very strict validation for every
new caller of nla_parse()/nlmsg_parse() etc as re-introduced in the
next patch, while existing things will continue to work as is.

In effect then, this adds fully strict validation for any new command.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-04-27 17:07:21 -04:00
Paolo Bonzini
147b502bda wlcore: simplify/fix/optimize reg_ch_conf_pending operations
Bitmaps are defined on unsigned longs, so the usage of u32[2] in the
wlcore driver is incorrect.  As noted by Peter Zijlstra, casting arrays
to a bitmap is incorrect for big-endian architectures.

When looking at it I observed that:

- operations on reg_ch_conf_pending is always under the wl_lock mutex,
so set_bit is overkill

- the only case where reg_ch_conf_pending is accessed a u32 at a time is
unnecessary too.

This patch cleans up everything in this area, and changes tmp_ch_bitmap
to have the proper alignment.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Fenghua Yu <fenghua.yu@intel.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2019-04-25 20:12:10 +03:00
David S. Miller
a655fe9f19 Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
An ipvlan bug fix in 'net' conflicted with the abstraction away
of the IPV6 specific support in 'net-next'.

Similarly, a bug fix for mlx5 in 'net' conflicted with the flow
action conversion in 'net-next'.

Signed-off-by: David S. Miller <davem@davemloft.net>
2019-02-08 15:00:17 -08:00
Greg Kroah-Hartman
c922a3a02d wl18xx: no need to check return value of debugfs_create functions
When calling debugfs functions, there is no need to ever check the
return value.  The function can work or not, but the code logic should
never do something different based on this.

Cc: Kalle Valo <kvalo@codeaurora.org>
Cc: Tony Lindgren <tony@atomide.com>
Cc: linux-wireless@vger.kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Acked-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2019-02-01 14:32:20 +02:00
Greg Kroah-Hartman
23f3896603 wl12xx: no need to check return value of debugfs_create functions
When calling debugfs functions, there is no need to ever check the
return value.  The function can work or not, but the code logic should
never do something different based on this.

Cc: Kalle Valo <kvalo@codeaurora.org>
Cc: Tony Lindgren <tony@atomide.com>
Cc: linux-wireless@vger.kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Acked-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2019-02-01 14:31:21 +02:00
Greg Kroah-Hartman
72efec9b67 wl1251: no need to check return value of debugfs_create functions
When calling debugfs functions, there is no need to ever check the
return value.  The function can work or not, but the code logic should
never do something different based on this.

Cc: Kalle Valo <kvalo@codeaurora.org>
Cc: Tony Lindgren <tony@atomide.com>
Cc: linux-wireless@vger.kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Acked-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2019-02-01 14:30:36 +02:00
Greg Kroah-Hartman
ad2106ca00 wlcore: no need to check return value of debugfs_create functions
When calling debugfs functions, there is no need to ever check the
return value.  The function can work or not, but the code logic should
never do something different based on this.

Cc: Kalle Valo <kvalo@codeaurora.org>
Cc: Tony Lindgren <tony@atomide.com>
Cc: linux-wireless@vger.kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Acked-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2019-02-01 14:29:50 +02:00
Colin Ian King
112ec26fcd wlcore: clean up an indentation issue
There is a goto statement that is missing a tab for indentation. Fix this.

Signed-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2019-02-01 14:27:13 +02:00
Ulf Hansson
13e62626c5 wlcore: sdio: Fixup power on/off sequence
During "wlan-up", we are programming the FW into the WiFi-chip. However,
re-programming the FW doesn't work, unless a power cycle of the WiFi-chip
is made in-between the programmings.

To conform to this requirement and to fix the regression in a simple way,
let's start by allowing that the SDIO card (WiFi-chip) may stay powered on
(runtime resumed) when wl12xx_sdio_power_off() returns. The intent with the
current code is to treat this scenario as an error, but unfortunate this
doesn't work as expected, so let's fix this.

The other part is to guarantee that a power cycle of the SDIO card has been
completed when wl12xx_sdio_power_on() returns, as to allow the FW
programming to succeed. However, relying solely on runtime PM to deal with
this isn't sufficient. For example, userspace may prevent runtime suspend
via sysfs for the device that represents the SDIO card, leading to that the
mmc core also keeps it powered on. For this reason, let's instead do a
brute force power cycle in wl12xx_sdio_power_on().

Fixes: 728a9dc61f ("wlcore: sdio: Fix flakey SDIO runtime PM handling")
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Tested-by: Tony Lindgren <tony@atomide.com>
Tested-by: Anders Roxell <anders.roxell@linaro.org>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2019-01-22 18:23:49 +02:00
Zumeng Chen
ba2ffc9632 wlcore: Fix memory leak in case wl12xx_fetch_firmware failure
Release fw_status, raw_fw_status, and tx_res_if when wl12xx_fetch_firmware
failed instead of meaningless goto out to avoid the following memory leak
reports(Only the last one listed):

unreferenced object 0xc28a9a00 (size 512):
  comm "kworker/0:4", pid 31298, jiffies 2783204 (age 203.290s)
  hex dump (first 32 bytes):
    00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
    00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
  backtrace:
    [<6624adab>] kmemleak_alloc+0x40/0x74
    [<500ddb31>] kmem_cache_alloc_trace+0x1ac/0x270
    [<db4d731d>] wl12xx_chip_wakeup+0xc4/0x1fc [wlcore]
    [<76c5db53>] wl1271_op_add_interface+0x4a4/0x8f4 [wlcore]
    [<cbf30777>] drv_add_interface+0xa4/0x1a0 [mac80211]
    [<65bac325>] ieee80211_reconfig+0x9c0/0x1644 [mac80211]
    [<2817c80e>] ieee80211_restart_work+0x90/0xc8 [mac80211]
    [<7e1d425a>] process_one_work+0x284/0x42c
    [<55f9432e>] worker_thread+0x2fc/0x48c
    [<abb582c6>] kthread+0x148/0x160
    [<63144b13>] ret_from_fork+0x14/0x2c
    [< (null)>] (null)
    [<1f6e7715>] 0xffffffff

Signed-off-by: Zumeng Chen <zumeng.chen@gmail.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2019-01-10 13:31:43 +02:00
David S. Miller
ce01a56ba3 wireless-drivers-next patches for 4.21
First set of patches for 4.21. Most notable here is support for
 Quantenna's QSR1000/QSR2000 chipsets and more flexible ways to provide
 nvram files for brcmfmac.
 
 Major changes:
 
 brcmfmac
 
 * add support for first trying to get a board specific nvram file
 
 * add support for getting nvram contents from EFI variables
 
 qtnfmac
 
 * use single PCIe driver for all platforms and rename
   Kconfig option CONFIG_QTNFMAC_PEARL_PCIE to CONFIG_QTNFMAC_PCIE
 
 * add support for QSR1000/QSR2000 (Topaz) family of chipsets
 
 ath10k
 
 * add support for WCN3990 firmware crash recovery
 
 * add firmware memory dump support for QCA4019
 
 wil6210
 
 * add firmware error recovery while in AP mode
 
 ath9k
 
 * remove experimental notice from dynack feature
 
 iwlwifi
 
 * PCI IDs for some new 9000-series cards
 
 * improve antenna usage on connection problems
 
 * new firmware debugging infrastructure
 
 * some more work on 802.11ax
 
 * improve support for multiple RF modules with 22000 devices
 
 cordic
 
 * move cordic macros and defines to a public header file
 
 * convert brcmsmac and b43 to fully use cordic library
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Merge tag 'wireless-drivers-next-for-davem-2018-11-30' of git://git.kernel.org/pub/scm/linux/kernel/git/kvalo/wireless-drivers-next

Kalle Valo says:

====================
wireless-drivers-next patches for 4.21

First set of patches for 4.21. Most notable here is support for
Quantenna's QSR1000/QSR2000 chipsets and more flexible ways to provide
nvram files for brcmfmac.

Major changes:

brcmfmac

* add support for first trying to get a board specific nvram file

* add support for getting nvram contents from EFI variables

qtnfmac

* use single PCIe driver for all platforms and rename
  Kconfig option CONFIG_QTNFMAC_PEARL_PCIE to CONFIG_QTNFMAC_PCIE

* add support for QSR1000/QSR2000 (Topaz) family of chipsets

ath10k

* add support for WCN3990 firmware crash recovery

* add firmware memory dump support for QCA4019

wil6210

* add firmware error recovery while in AP mode

ath9k

* remove experimental notice from dynack feature

iwlwifi

* PCI IDs for some new 9000-series cards

* improve antenna usage on connection problems

* new firmware debugging infrastructure

* some more work on 802.11ax

* improve support for multiple RF modules with 22000 devices

cordic

* move cordic macros and defines to a public header file

* convert brcmsmac and b43 to fully use cordic library
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
2018-12-03 15:44:27 -08:00
Christophe JAILLET
3419348a97 wlcore: Fix the return value in case of error in 'wlcore_vendor_cmd_smart_config_start()'
We return 0 unconditionally at the end of
'wlcore_vendor_cmd_smart_config_start()'.
However, 'ret' is set to some error codes in several error handling paths
and we already return some error codes at the beginning of the function.

Return 'ret' instead to propagate the error code.

Fixes: 80ff8063e8 ("wlcore: handle smart config vendor commands")
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2018-11-06 18:53:14 +02:00
John Stultz
b630806d7c wlcore: Fixup "Add support for optional wakeirq"
After commit 3c83dd577c ("wlcore: Add support for optional
wakeirq") landed upstream, I started seeing the following oops
on my HiKey board:

[    1.870279] Unable to handle kernel read from unreadable memory at virtual address 0000000000000010
[    1.870283] Mem abort info:
[    1.870287]   ESR = 0x96000005
[    1.870292]   Exception class = DABT (current EL), IL = 32 bits
[    1.870296]   SET = 0, FnV = 0
[    1.870299]   EA = 0, S1PTW = 0
[    1.870302] Data abort info:
[    1.870306]   ISV = 0, ISS = 0x00000005
[    1.870309]   CM = 0, WnR = 0
[    1.870312] [0000000000000010] user address but active_mm is swapper
[    1.870318] Internal error: Oops: 96000005 [#1] PREEMPT SMP
[    1.870327] CPU: 0 PID: 5 Comm: kworker/0:0 Not tainted 4.19.0-05129-gb3d1e8e #48
[    1.870331] Hardware name: HiKey Development Board (DT)
[    1.870350] Workqueue: events_freezable mmc_rescan
[    1.870358] pstate: 60400005 (nZCv daif +PAN -UAO)
[    1.870366] pc : wl1271_probe+0x210/0x350
[    1.870371] lr : wl1271_probe+0x210/0x350
[    1.870374] sp : ffffff80080739b0
[    1.870377] x29: ffffff80080739b0 x28: 0000000000000000
[    1.870384] x27: 0000000000000000 x26: 0000000000000000
[    1.870391] x25: 0000000000000036 x24: ffffffc074ecb598
[    1.870398] x23: ffffffc07ffdce78 x22: ffffffc0744ed808
[    1.870404] x21: ffffffc074ecbb98 x20: ffffff8008ff9000
[    1.870411] x19: ffffffc0744ed800 x18: ffffff8008ff9a48
[    1.870418] x17: 0000000000000000 x16: 0000000000000000
[    1.870425] x15: ffffffc074ecb503 x14: ffffffffffffffff
[    1.870431] x13: ffffffc074ecb502 x12: 0000000000000030
[    1.870438] x11: 0101010101010101 x10: 0000000000000040
[    1.870444] x9 : ffffffc075400248 x8 : ffffffc075400270
[    1.870451] x7 : 0000000000000000 x6 : 0000000000000000
[    1.870457] x5 : 0000000000000000 x4 : 0000000000000000
[    1.870463] x3 : 0000000000000000 x2 : 0000000000000000
[    1.870469] x1 : 0000000000000028 x0 : 0000000000000000
[    1.870477] Process kworker/0:0 (pid: 5, stack limit = 0x(____ptrval____))
[    1.870480] Call trace:
[    1.870485]  wl1271_probe+0x210/0x350
[    1.870491]  sdio_bus_probe+0x100/0x128
[    1.870500]  really_probe+0x1a8/0x2b8
[    1.870506]  driver_probe_device+0x58/0x100
[    1.870511]  __device_attach_driver+0x94/0xd8
[    1.870517]  bus_for_each_drv+0x70/0xc8
[    1.870522]  __device_attach+0xe0/0x140
[    1.870527]  device_initial_probe+0x10/0x18
[    1.870532]  bus_probe_device+0x94/0xa0
[    1.870537]  device_add+0x374/0x5b8
[    1.870542]  sdio_add_func+0x60/0x88
[    1.870546]  mmc_attach_sdio+0x1b0/0x358
[    1.870551]  mmc_rescan+0x2cc/0x390
[    1.870558]  process_one_work+0x12c/0x320
[    1.870563]  worker_thread+0x48/0x458
[    1.870569]  kthread+0xf8/0x128
[    1.870575]  ret_from_fork+0x10/0x18
[    1.870583] Code: 92400c21 b2760021 a90687a2 97e95bf9 (f9400803)
[    1.870587] ---[ end trace 1e15f81d3c139ca9 ]---

It seems since we don't have a wakeirq value in the dts, the wakeirq
value in wl1271_probe() is zero, which then causes trouble in
irqd_get_trigger_type(irq_get_irq_data(wakeirq)).

This patch tries to address this by checking if wakeirq is zero,
and not trying to add it to the resources if that is the case.

Fixes: 3c83dd577c ("wlcore: Add support for optional wakeirq")
Cc: Tony Lindgren <tony@atomide.com>
Cc: Kalle Valo <kvalo@codeaurora.org>
Cc: Eyal Reizer <eyalr@ti.com>
Cc: Anders Roxell <anders.roxell@linaro.org>
Cc: linux-wireless@vger.kernel.org
Acked-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: John Stultz <john.stultz@linaro.org>
Tested-by: Anders Roxell <anders.roxell@linaro.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2018-11-06 18:44:36 +02:00
Tony Lindgren
3c83dd577c wlcore: Add support for optional wakeirq
Now with wlcore using PM runtime, we can also add support for Linux
generic wakeirq handling for it if configured in the dts file.

The wakeirq can be configured as the second interrupt in the dts file
with interrupts-extended property where it is the padconf irq of the OOB
GPIO pin used for wlcore interrupt.

Note that eventually we should also allow configuring wlcore to use the
SDIO dat1 IRQ for wake-up, and in that case the the wakeirq should be
configured to be the padconf interrupt of the dat1 pin and not the
padconf interrupt of the OOB GPIO pin.

Cc: Eyal Reizer <eyalr@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2018-10-05 11:33:31 +03:00
Tony Lindgren
4e651bad84 wlcore: Fix BUG with clear completion on timeout
We do not currently clear wl->elp_compl on ELP timeout and we have bogus
lingering pointer that wlcore_irq then will try to access after recovery
is done:

BUG: spinlock bad magic on CPU#1, irq/255-wl12xx/580
...
(spin_dump) from [<c01b9344>] (do_raw_spin_lock+0xc8/0x124)
(do_raw_spin_lock) from [<c09b3970>] (_raw_spin_lock_irqsave+0x68/0x74)
(_raw_spin_lock_irqsave) from [<c01a02f0>] (complete+0x24/0x58)
(complete) from [<bf572610>] (wlcore_irq+0x48/0x17c [wlcore])
(wlcore_irq [wlcore]) from [<c01c5efc>] (irq_thread_fn+0x2c/0x64)
(irq_thread_fn) from [<c01c623c>] (irq_thread+0x148/0x290)
(irq_thread) from [<c016b4b0>] (kthread+0x160/0x17c)
(kthread) from [<c01010b4>] (ret_from_fork+0x14/0x20)
...

After that the system will hang. Let's fix this by adding a flag for
recovery and moving the recovery work call to to the error handling
section.

And we want to set WL1271_FLAG_INTENDED_FW_RECOVERY and actually clear
it too in wl1271_recovery_work() and just downgrade the error to a
warning to prevent overly verbose output.

Cc: Eyal Reizer <eyalr@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2018-10-05 11:33:04 +03:00
Linus Torvalds
d5acba26bf Char/Misc driver patches for 4.19-rc1
Here is the bit set of char/misc drivers for 4.19-rc1
 
 There is a lot here, much more than normal, seems like everyone is
 writing new driver subsystems these days...  Anyway, major things here
 are:
 	- new FSI driver subsystem, yet-another-powerpc low-level
 	  hardware bus
 	- gnss, finally an in-kernel GPS subsystem to try to tame all of
 	  the crazy out-of-tree drivers that have been floating around
 	  for years, combined with some really hacky userspace
 	  implementations.  This is only for GNSS receivers, but you
 	  have to start somewhere, and this is great to see.
 Other than that, there are new slimbus drivers, new coresight drivers,
 new fpga drivers, and loads of DT bindings for all of these and existing
 drivers.
 
 Full details of everything is in the shortlog.
 
 All of these have been in linux-next for a while with no reported
 issues.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'char-misc-4.19-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc

Pull char/misc driver updates from Greg KH:
 "Here is the bit set of char/misc drivers for 4.19-rc1

  There is a lot here, much more than normal, seems like everyone is
  writing new driver subsystems these days... Anyway, major things here
  are:

   - new FSI driver subsystem, yet-another-powerpc low-level hardware
     bus

   - gnss, finally an in-kernel GPS subsystem to try to tame all of the
     crazy out-of-tree drivers that have been floating around for years,
     combined with some really hacky userspace implementations. This is
     only for GNSS receivers, but you have to start somewhere, and this
     is great to see.

  Other than that, there are new slimbus drivers, new coresight drivers,
  new fpga drivers, and loads of DT bindings for all of these and
  existing drivers.

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

* tag 'char-misc-4.19-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc: (255 commits)
  android: binder: Rate-limit debug and userspace triggered err msgs
  fsi: sbefifo: Bump max command length
  fsi: scom: Fix NULL dereference
  misc: mic: SCIF Fix scif_get_new_port() error handling
  misc: cxl: changed asterisk position
  genwqe: card_base: Use true and false for boolean values
  misc: eeprom: assignment outside the if statement
  uio: potential double frees if __uio_register_device() fails
  eeprom: idt_89hpesx: clean up an error pointer vs NULL inconsistency
  misc: ti-st: Fix memory leak in the error path of probe()
  android: binder: Show extra_buffers_size in trace
  firmware: vpd: Fix section enabled flag on vpd_section_destroy
  platform: goldfish: Retire pdev_bus
  goldfish: Use dedicated macros instead of manual bit shifting
  goldfish: Add missing includes to goldfish.h
  mux: adgs1408: new driver for Analog Devices ADGS1408/1409 mux
  dt-bindings: mux: add adi,adgs1408
  Drivers: hv: vmbus: Cleanup synic memory free path
  Drivers: hv: vmbus: Remove use of slow_virt_to_phys()
  Drivers: hv: vmbus: Reset the channel callback in vmbus_onoffer_rescind()
  ...
2018-08-18 11:04:51 -07:00
Loic Poulain
37a634f60f wlcore: Set rx_status boottime_ns field on rx
When receiving a beacon or probe response, we should update the
boottime_ns field which is the timestamp the frame was received at.
(cf mac80211.h)

This fixes a scanning issue with Android since it relies on this
timestamp to determine when the AP has been seen for the last time
(via the nl80211 BSS_LAST_SEEN_BOOTTIME parameter).

Signed-off-by: Loic Poulain <loic.poulain@linaro.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2018-07-31 10:24:10 +03:00
H. Nikolaus Schaller
18dc5a4bbc wlcore: remove duplicate \n for some warnings
wl1271_warning() already appends a \n to the format,
so adding one to the warning string gives empty lines in the log.

Signed-off-by: H. Nikolaus Schaller <hns@goldelico.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2018-07-31 10:23:18 +03:00
Randy Dunlap
ac3167257b headers: separate linux/mod_devicetable.h from linux/platform_device.h
At over 4000 #includes, <linux/platform_device.h> is the 9th most
#included header file in the Linux kernel.  It does not need
<linux/mod_devicetable.h>, so drop that header and explicitly add
<linux/mod_devicetable.h> to source files that need it.

   4146 #include <linux/platform_device.h>

After this patch, there are 225 files that use <linux/mod_devicetable.h>,
for a reduction of around 3900 times that <linux/mod_devicetable.h>
does not have to be read & parsed.

    225 #include <linux/mod_devicetable.h>

This patch was build-tested on 20 different arch-es.

It also makes these drivers SubmitChecklist#1 compliant.

Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Reported-by: kbuild test robot <lkp@intel.com> # drivers/media/platform/vimc/
Reported-by: kbuild test robot <lkp@intel.com> # drivers/pinctrl/pinctrl-u300.c
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-07-07 17:52:26 +02:00
Gustavo A. R. Silva
04614fe46f wlcore: Fix memory leak in wlcore_cmd_wait_for_event_or_timeout
In case memory resources for *events_vector* were allocated, release
them before return.

Addresses-Coverity-ID: 1470194 ("Resource leak")
Fixes: 4ec7cece87 ("wlcore: Add missing PM call for wlcore_cmd_wait_for_event_or_timeout()")
Signed-off-by: Gustavo A. R. Silva <gustavo@embeddedor.com>
Acked-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2018-07-04 18:14:09 +03:00
Omer Efrat
22d0d2fafc wireless-drivers: use BIT_ULL for NL80211_STA_INFO_ attribute types
The BIT macro uses unsigned long which some architectures handle as 32 bit
and therefore might cause macro's shift to overflow when used on a value
equals or larger than 32 (NL80211_STA_INFO_RX_DURATION and afterwards).

Since 'filled' member in station_info changed to u64, BIT_ULL macro
should be used with all NL80211_STA_INFO_* attribute types instead of BIT
to prevent future possible bugs when one will use BIT macro for higher
attributes by mistake.

This commit cleans up all usages of BIT macro with the above field
in wireless-drivers by changing it to BIT_ULL instead. In addition, there are
some places which don't use BIT nor BIT_ULL macros so align those as well.

Signed-off-by: Omer Efrat <omer.efrat@tandemg.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2018-06-27 19:07:39 +03:00
Tony Lindgren
9b71578de0 wlcore: Enable runtime PM autosuspend support
With runtime PM tested working for wlcore with no autosuspend, we can
now enable autosuspend to cut down on enable/disable for interrupts.
Basically we just replace pm_runtime_put() with the autosuspend variants.

Let's use autosuspend delay of 50ms that MMC drivers typically use.

Signed-off-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2018-06-27 18:45:24 +03:00
Tony Lindgren
c40aad28a3 wlcore: Make sure firmware is initialized in wl1271_op_add_interface()
We have wl12xx_boot() call wl12xx_enable_interrupts() and if we have
wl1271_op_add_interface() call pm_runtime_get_sync() before the interrupts
are enabled. And then we get the following error during boot:

wlcore: ERROR ELP wakeup timeout!

Let's fix this by first checking if we need to boot the firmware. And
only after that call pm_runtime_get_sync() when interrupts are enabled.
And only after that do the check for wl12xx_need_fw_change().

Signed-off-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2018-06-27 18:45:22 +03:00
Eyal Reizer
45aa7f071b wlcore: Use generic runtime pm calls for wowlan elp configuration
With runtime PM enabled, we can now use calls to pm_runtime_force_suspend
and pm_runtime_force_resume for enabling elp during suspend when wowlan
is enabled and waking the chip from elp on resume.

Remove the custom API that was used to ensure that the command
that is used to allow ELP during suspend is completed before the system
suspend.

Signed-off-by: Eyal Reizer <eyalr@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2018-06-27 18:45:17 +03:00
Tony Lindgren
db68052bdf wlcore: Fix timout errors after recovery
After enabling runtime PM, if we force hardware reset multiple times with:

# echo 1 > /sys/kernel/debug/ieee80211/phy0/wlcore/start_recovery

We will after few tries get the following error:

wlcore: ERROR timeout waiting for the hardware to complete initialization

And then wlcore is unable to reconnect until after the wlcore related modules
are reloaded.

Let's fix this by moving pm_runtime_put() earlier before we restart the hardware.
And let's use the sync version to make sure we're done before we restart.

Note that we still will get -EBUSY warning from wl12xx_sdio_set_power() but let's
fix that separately once we know exactly why we get the warning.

Reported-by: Eyal Reizer <eyalr@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2018-06-27 18:45:12 +03:00
Tony Lindgren
3ebbabea42 wlcore: Fix misplaced PM call for scan_complete_work()
With runtime PM enabled, we now need to have wlcore enabled longer
until after we're done calling wlcore_cmd_regdomain_config_locked():

scan_complete_work()
 wlcore_cmd_regdomain_config_locked()
   wlcore_cmd_send_failsafe()
     wl12xx_sdio_raw_read()

Note that this is not needed before runtime PM support as the
custom PM code had it's own timer. We have not yet enabled runtime
PM autosuspend for wlcore and this is why this issue now shows up.

Let's fix the issues first before we enable runtime PM autosuspend.

Signed-off-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2018-06-27 18:44:53 +03:00
Tony Lindgren
fa2648a34e wlcore: Add support for runtime PM
We can update wlcore to use PM runtime by adding functions for
wlcore_runtime_suspend() and wlcore_runtime_resume() and replacing
calls to wl1271_ps_elp_wakeup() and wl1271_ps_elp_sleep() with calls
to pm_runtime_get_sync() and pm_runtime_put().

Note that the new wlcore_runtime_suspend() and wlcore_runtime_resume()
functions are based on simplified versions of wl1271_ps_elp_sleep() and
wl1271_ps_elp_wakeup().

We don't want to use the old functions as we can now take advantage of
the runtime PM usage count. And we don't need the old elp_work at all.
And we can also remove WL1271_FLAG_ELP_REQUESTED that is no longer needed.

Pretty much the only place where we are not just converting the existing
functions is wl1271_op_suspend() where we add pm_runtime_put_noidle()
to keep the calls paired.

As the next step is to implement runtime PM autosuspend, let's not add
wrapper functions for the generic runtime PM calls. We would be getting
rid of any wrapper functions anyways.

After autoidle we should be able to start using Linux generic wakeirqs
for the padconf interrupt.

Signed-off-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2018-06-27 18:44:47 +03:00
Tony Lindgren
02edf81362 wlcore: Make sure PM calls are paired
The call to wl1271_ps_elp_wakeup() in wl12xx_queue_recovery_work() is
unpaired. Let's remove it and add paired calls to wl1271_recovery_work()
instead in preparation for changing things to use runtime PM.

Signed-off-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2018-06-27 18:44:42 +03:00
Tony Lindgren
4ec7cece87 wlcore: Add missing PM call for wlcore_cmd_wait_for_event_or_timeout()
Otherwise we can get:

WARNING: CPU: 0 PID: 55 at drivers/net/wireless/ti/wlcore/io.h:84

I've only seen this few times with the runtime PM patches enabled
so this one is probably not needed before that. This seems to
work currently based on the current PM implementation timer. Let's
apply this separately though in case others are hitting this issue.

Signed-off-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2018-06-27 18:44:40 +03:00
Eyal Reizer
6e91d48371 wlcore: sdio: check for valid platform device data before suspend
the wl pointer can be null In case only wlcore_sdio is probed while
no WiLink module is successfully probed, as in the case of mounting a
wl12xx module while using a device tree file configured with wl18xx
related settings.
In this case the system was crashing in wl1271_suspend() as platform
device data is not set.
Make sure wl the pointer is valid before using it.

Signed-off-by: Eyal Reizer <eyalr@ti.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2018-05-29 10:20:56 +03:00
Tony Lindgren
728a9dc61f wlcore: sdio: Fix flakey SDIO runtime PM handling
We can have pm_runtime_get_sync() return 1, and we can have
pm_runtime_put_sync() return -EBUSY. See rpm_suspend() and
rpm_resume() for more information.

Fix the issue by returning 0 from wl12xx_sdio_power_on() on success.
And use pm_runtime_put() instead of pm_runtime_put_sync() for
wl12xx_sdio_power_off(), then the MMC subsystem will idle the bus
when suitable.

Otherwise wlcore can sometimes get confused and may report bogus
errors and WLAN connection can fail.

Note that while wlcore checks the return value for wl1271_power_on(),
the return value is ignored for wl1271_power_off(). Let's fix them
both though to avoid further confusion in the future.

Fixes: 60f36637bb ("wlcore: sdio: allow pm to handle sdio power")
Signed-off-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2018-05-29 10:14:45 +03:00
Eyal Reizer
60f36637bb wlcore: sdio: allow pm to handle sdio power
pm_runtime handles sdio power on and power off transitions.
An old workaround for trying to control the power explicitly from the
driver was in fact causing failures on suspend/resume as the mmc layer
already power the module on resume.

In case of resume pm_runtime_get sync returns a positive device's usage
count causing the driver to try an re-initialize an already initialized
device. This was causing sdio bus failure on resume.

Remove this manual power on/off sequence as it is in-fact not needed.

Signed-off-by: Eyal Reizer <eyalr@ti.com>
Acked-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2018-04-30 13:30:42 +03:00
Joe Perches
2ef00c5304 wireless: Use octal not symbolic permissions
Prefer the direct use of octal for permissions.

Done with checkpatch -f --types=SYMBOLIC_PERMS --fix-inplace
and some typing.

Miscellanea:

o Whitespace neatening around these conversions.

Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2018-03-27 11:01:13 +03:00
David S. Miller
996bfed118 wireless-drivers-next patches for 4.17
The biggest changes are the bluetooth related patches to the rsi
 driver. It adds a new bluetooth driver which communicates directly
 with the wireless driver and the interface is defined in
 include/net/rsi_91x.h.
 
 Major changes:
 
 wl1251
 
 * read the MAC address from the NVS file
 
 rtlwifi
 
 * enable mac80211 fast-tx support
 
 mt76
 
 * add capability to select tx/rx antennas
 
 mt7601
 
 * let mac80211 validate rx CCMP Packet Number (PN)
 
 rsi
 
 * bluetooth: add new btrsi driver
 
 * btcoex support with the new btrsi driver
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Merge tag 'wireless-drivers-next-for-davem-2018-03-24' of git://git.kernel.org/pub/scm/linux/kernel/git/kvalo/wireless-drivers-next

Kalle Valo says:

====================
wireless-drivers-next patches for 4.17

The biggest changes are the bluetooth related patches to the rsi
driver. It adds a new bluetooth driver which communicates directly
with the wireless driver and the interface is defined in
include/net/rsi_91x.h.

Major changes:

wl1251

* read the MAC address from the NVS file

rtlwifi

* enable mac80211 fast-tx support

mt76

* add capability to select tx/rx antennas

mt7601

* let mac80211 validate rx CCMP Packet Number (PN)

rsi

* bluetooth: add new btrsi driver

* btcoex support with the new btrsi driver
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
2018-03-25 21:27:38 -04:00
Joe Perches
0c3d5a96d5 net: drivers/net: Remove unnecessary skb_copy_expand OOM messages
skb_copy_expand without __GFP_NOWARN already does a dump_stack
on OOM so these messages are redundant.

Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2018-03-15 14:28:03 -04:00
Randy Dunlap
a6cf02e648 net/wireless: fix spaces and grammar copy/paste in vendor Kconfig help text
Lots of the wireless driver vendor Kconfig symol help text says
"questions about  cards." (2 spaces between "about" and "cards")

Besides dropping one of those spaces, it also needs some other word
inserted there. Instead of putting each vendor's name there, I chose
to say "these" cards in all of the Kconfig help text.

Cc: Kalle Valo <kvalo@codeaurora.org>
Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2018-03-13 18:52:25 +02:00
Pali Rohár
3142467fc1 wl1251: Set generated MAC address back to NVS data
In case there is no valid MAC address kernel generates random one. This
patch propagate this generated MAC address back to NVS data which will be
uploaded to wl1251 chip. So HW would have same MAC address as linux kernel
uses.

This should not change any functionality, but it is better to tell wl1251
correct mac address since beginning of chip usage.

Signed-off-by: Pali Rohár <pali.rohar@gmail.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2018-02-27 15:50:44 +02:00
Pali Rohár
4f507d588d wl1251: Parse and use MAC address from supplied NVS data
This patch implements parsing MAC address from NVS data which are sent to
wl1251 chip. Calibration NVS data could contain valid MAC address and it
will be used instead of randomly generated one.

This patch also moves code for requesting NVS data from userspace to driver
initialization code to make sure that NVS data will be there at time when
permanent MAC address is needed.

Calibration NVS data for wl1251 are device specific. Every device with
wl1251 chip should have been calibrated in factory and needs to provide own
calibration data.

Default example file wl1251-nvs.bin, found in linux-firmware repository,
contains MAC address 00:00:20:07:03:09. So this MAC address is marked as
invalid as it is not real device specific address, just example one.

Format of calibration NVS data can be found at:
http://notaz.gp2x.de/misc/pnd/wl1251/nvs_map.txt

Signed-off-by: Pali Rohár <pali.rohar@gmail.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2018-02-27 15:50:43 +02:00
Pali Rohár
562da3a39c wl1251: Generate random MAC address only if driver does not have valid
Before this patch, driver generated random MAC address every time it was
initialized. After that random MAC address could be overwritten with fixed
one, if provided.

This patch changes order. First it tries to read fixed MAC address and if
it fails then driver generates random MAC address.

Signed-off-by: Pali Rohár <pali.rohar@gmail.com>
Acked-by: Pavel Machek <pavel@ucw.cz>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2018-02-27 15:50:43 +02:00
Pali Rohár
f63b4c971f wl1251: Update wl->nvs_len after wl->nvs is valid
If kmemdup fails, then wl->nvs_len will contain invalid non-zero size.

Signed-off-by: Pali Rohár <pali.rohar@gmail.com>
Acked-by: Pavel Machek <pavel@ucw.cz>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2018-02-27 15:50:42 +02:00
Colin Ian King
ac1181c608 wl1251: check return from call to wl1251_acx_arp_ip_filter
Currently the less than zero error check on ret is incorrect
as it is checking a far earlier ret assignment rather than the
return from the call to wl1251_acx_arp_ip_filter. Fix this by
adding in the missing assginment.

Detected by CoverityScan, CID#1164835 ("Logically dead code")

Fixes: 204cc5c44f ("wl1251: implement hardware ARP filtering")
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2018-01-08 19:40:36 +02:00
Arnd Bergmann
7de241f3b7 wlcore: fix unused function warning
The newly added wlcore_fw_sleep function is called conditionally,
which causes a warning without CONFIG_PM:

drivers/net/wireless/ti/wlcore/main.c:981:12: error: 'wlcore_fw_sleep' defined but not used [-Werror=unused-function]

Instead of trying to keep track of what should be in the #ifdef and what
should not, it's easier to mark the top-level suspend/resume functions
as __maybe_unused so the compiler can silently drop all the unused code.

Fixes: 37bf241b8e ("wlcore: allow elp during wowlan suspend")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2017-12-14 14:44:31 +02:00
Colin Ian King
c4ee30a280 wlcore, wl1251: fix spelling: "Couldnt" -> "Couldn't" and remove error on -ENOMEM
Trivial fix to spelling mistake in error message text.  Also remove the
error message on an kzalloc failure as this is redundant.

Signed-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2017-12-07 15:24:32 +02:00
Reizer, Eyal
37bf241b8e wlcore: allow elp during wowlan suspend
when enabling wowlan and entering suspend the last write to the firmware
allowing it to go into elp mode was not completing before suspend, leaving
the firmware running in full active mode consuming high power.
Use an immediate call instead of a work queue for this last access
allowing the firmware to go into power save during wowlan uspend.

Signed-off-by: Eyal Reizer <eyalr@ti.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2017-12-07 15:21:40 +02:00
Arnd Bergmann
99f6996d4c wlcore: use boottime for fw time sync
Using getnstimeofday()/timespec_to_ns() causes an overflow on 32-bit
architectures in 2038, and may suffer from time jumps due to
settimeofday() or leap seconds.

I don't see a reason why this needs to be UTC, so either monotonic
or boot time would be better here. Assuming that the fw time keeps
running during suspend, boottime is better than monotonic, and
ktime_get_boot_ns() will also save the additional conversion to
nanoseconds.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2017-12-07 15:20:01 +02:00
Linus Torvalds
96c22a49ac Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Pull networking fixes from David Miller:

 1) The forcedeth conversion from pci_*() DMA interfaces to dma_*() ones
    missed one spot. From Zhu Yanjun.

 2) Missing CRYPTO_SHA256 Kconfig dep in cfg80211, from Johannes Berg.

 3) Fix checksum offloading in thunderx driver, from Sunil Goutham.

 4) Add SPDX to vm_sockets_diag.h, from Stephen Hemminger.

 5) Fix use after free of packet headers in TIPC, from Jon Maloy.

 6) "sizeof(ptr)" vs "sizeof(*ptr)" bug in i40e, from Gustavo A R Silva.

 7) Tunneling fixes in mlxsw driver, from Petr Machata.

 8) Fix crash in fanout_demux_rollover() of AF_PACKET, from Mike
    Maloney.

 9) Fix race in AF_PACKET bind() vs. NETDEV_UP notifier, from Eric
    Dumazet.

10) Fix regression in sch_sfq.c due to one of the timer_setup()
    conversions. From Paolo Abeni.

11) SCTP does list_for_each_entry() using wrong struct member, fix from
    Xin Long.

12) Don't use big endian netlink attribute read for
    IFLA_BOND_AD_ACTOR_SYSTEM, it is in cpu endianness. Also from Xin
    Long.

13) Fix mis-initialization of q->link.clock in CBQ scheduler, preventing
    adding filters there. From Jiri Pirko.

* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: (67 commits)
  ethernet: dwmac-stm32: Fix copyright
  net: via: via-rhine: use %p to format void * address instead of %x
  net: ethernet: xilinx: Mark XILINX_LL_TEMAC broken on 64-bit
  myri10ge: Update MAINTAINERS
  net: sched: cbq: create block for q->link.block
  atm: suni: remove extraneous space to fix indentation
  atm: lanai: use %p to format kernel addresses instead of %x
  VSOCK: Don't set sk_state to TCP_CLOSE before testing it
  atm: fore200e: use %pK to format kernel addresses instead of %x
  ambassador: fix incorrect indentation of assignment statement
  vxlan: use __be32 type for the param vni in __vxlan_fdb_delete
  bonding: use nla_get_u64 to extract the value for IFLA_BOND_AD_ACTOR_SYSTEM
  sctp: use right member as the param of list_for_each_entry
  sch_sfq: fix null pointer dereference at timer expiration
  cls_bpf: don't decrement net's refcount when offload fails
  net/packet: fix a race in packet_bind() and packet_notifier()
  packet: fix crash in fanout_demux_rollover()
  sctp: remove extern from stream sched
  sctp: force the params with right types for sctp csum apis
  sctp: force SCTP_ERROR_INV_STRM with __u32 when calling sctp_chunk_fail
  ...
2017-11-29 13:10:25 -08:00
Johannes Berg
7b6ddeaf27 mac80211: use QoS NDP for AP probing
When connected to a QoS/WMM AP, mac80211 should use a QoS NDP
for probing it, instead of a regular non-QoS one, fix this.

Change all the drivers to *not* allow QoS NDP for now, even
though it looks like most of them should be OK with that.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2017-11-27 11:23:20 +01:00
Kees Cook
e99e88a9d2 treewide: setup_timer() -> timer_setup()
This converts all remaining cases of the old setup_timer() API into using
timer_setup(), where the callback argument is the structure already
holding the struct timer_list. These should have no behavioral changes,
since they just change which pointer is passed into the callback with
the same available pointers after conversion. It handles the following
examples, in addition to some other variations.

Casting from unsigned long:

    void my_callback(unsigned long data)
    {
        struct something *ptr = (struct something *)data;
    ...
    }
    ...
    setup_timer(&ptr->my_timer, my_callback, ptr);

and forced object casts:

    void my_callback(struct something *ptr)
    {
    ...
    }
    ...
    setup_timer(&ptr->my_timer, my_callback, (unsigned long)ptr);

become:

    void my_callback(struct timer_list *t)
    {
        struct something *ptr = from_timer(ptr, t, my_timer);
    ...
    }
    ...
    timer_setup(&ptr->my_timer, my_callback, 0);

Direct function assignments:

    void my_callback(unsigned long data)
    {
        struct something *ptr = (struct something *)data;
    ...
    }
    ...
    ptr->my_timer.function = my_callback;

have a temporary cast added, along with converting the args:

    void my_callback(struct timer_list *t)
    {
        struct something *ptr = from_timer(ptr, t, my_timer);
    ...
    }
    ...
    ptr->my_timer.function = (TIMER_FUNC_TYPE)my_callback;

And finally, callbacks without a data assignment:

    void my_callback(unsigned long data)
    {
    ...
    }
    ...
    setup_timer(&ptr->my_timer, my_callback, 0);

have their argument renamed to verify they're unused during conversion:

    void my_callback(struct timer_list *unused)
    {
    ...
    }
    ...
    timer_setup(&ptr->my_timer, my_callback, 0);

The conversion is done with the following Coccinelle script:

spatch --very-quiet --all-includes --include-headers \
	-I ./arch/x86/include -I ./arch/x86/include/generated \
	-I ./include -I ./arch/x86/include/uapi \
	-I ./arch/x86/include/generated/uapi -I ./include/uapi \
	-I ./include/generated/uapi --include ./include/linux/kconfig.h \
	--dir . \
	--cocci-file ~/src/data/timer_setup.cocci

@fix_address_of@
expression e;
@@

 setup_timer(
-&(e)
+&e
 , ...)

// Update any raw setup_timer() usages that have a NULL callback, but
// would otherwise match change_timer_function_usage, since the latter
// will update all function assignments done in the face of a NULL
// function initialization in setup_timer().
@change_timer_function_usage_NULL@
expression _E;
identifier _timer;
type _cast_data;
@@

(
-setup_timer(&_E->_timer, NULL, _E);
+timer_setup(&_E->_timer, NULL, 0);
|
-setup_timer(&_E->_timer, NULL, (_cast_data)_E);
+timer_setup(&_E->_timer, NULL, 0);
|
-setup_timer(&_E._timer, NULL, &_E);
+timer_setup(&_E._timer, NULL, 0);
|
-setup_timer(&_E._timer, NULL, (_cast_data)&_E);
+timer_setup(&_E._timer, NULL, 0);
)

@change_timer_function_usage@
expression _E;
identifier _timer;
struct timer_list _stl;
identifier _callback;
type _cast_func, _cast_data;
@@

(
-setup_timer(&_E->_timer, _callback, _E);
+timer_setup(&_E->_timer, _callback, 0);
|
-setup_timer(&_E->_timer, &_callback, _E);
+timer_setup(&_E->_timer, _callback, 0);
|
-setup_timer(&_E->_timer, _callback, (_cast_data)_E);
+timer_setup(&_E->_timer, _callback, 0);
|
-setup_timer(&_E->_timer, &_callback, (_cast_data)_E);
+timer_setup(&_E->_timer, _callback, 0);
|
-setup_timer(&_E->_timer, (_cast_func)_callback, _E);
+timer_setup(&_E->_timer, _callback, 0);
|
-setup_timer(&_E->_timer, (_cast_func)&_callback, _E);
+timer_setup(&_E->_timer, _callback, 0);
|
-setup_timer(&_E->_timer, (_cast_func)_callback, (_cast_data)_E);
+timer_setup(&_E->_timer, _callback, 0);
|
-setup_timer(&_E->_timer, (_cast_func)&_callback, (_cast_data)_E);
+timer_setup(&_E->_timer, _callback, 0);
|
-setup_timer(&_E._timer, _callback, (_cast_data)_E);
+timer_setup(&_E._timer, _callback, 0);
|
-setup_timer(&_E._timer, _callback, (_cast_data)&_E);
+timer_setup(&_E._timer, _callback, 0);
|
-setup_timer(&_E._timer, &_callback, (_cast_data)_E);
+timer_setup(&_E._timer, _callback, 0);
|
-setup_timer(&_E._timer, &_callback, (_cast_data)&_E);
+timer_setup(&_E._timer, _callback, 0);
|
-setup_timer(&_E._timer, (_cast_func)_callback, (_cast_data)_E);
+timer_setup(&_E._timer, _callback, 0);
|
-setup_timer(&_E._timer, (_cast_func)_callback, (_cast_data)&_E);
+timer_setup(&_E._timer, _callback, 0);
|
-setup_timer(&_E._timer, (_cast_func)&_callback, (_cast_data)_E);
+timer_setup(&_E._timer, _callback, 0);
|
-setup_timer(&_E._timer, (_cast_func)&_callback, (_cast_data)&_E);
+timer_setup(&_E._timer, _callback, 0);
|
 _E->_timer@_stl.function = _callback;
|
 _E->_timer@_stl.function = &_callback;
|
 _E->_timer@_stl.function = (_cast_func)_callback;
|
 _E->_timer@_stl.function = (_cast_func)&_callback;
|
 _E._timer@_stl.function = _callback;
|
 _E._timer@_stl.function = &_callback;
|
 _E._timer@_stl.function = (_cast_func)_callback;
|
 _E._timer@_stl.function = (_cast_func)&_callback;
)

// callback(unsigned long arg)
@change_callback_handle_cast
 depends on change_timer_function_usage@
identifier change_timer_function_usage._callback;
identifier change_timer_function_usage._timer;
type _origtype;
identifier _origarg;
type _handletype;
identifier _handle;
@@

 void _callback(
-_origtype _origarg
+struct timer_list *t
 )
 {
(
	... when != _origarg
	_handletype *_handle =
-(_handletype *)_origarg;
+from_timer(_handle, t, _timer);
	... when != _origarg
|
	... when != _origarg
	_handletype *_handle =
-(void *)_origarg;
+from_timer(_handle, t, _timer);
	... when != _origarg
|
	... when != _origarg
	_handletype *_handle;
	... when != _handle
	_handle =
-(_handletype *)_origarg;
+from_timer(_handle, t, _timer);
	... when != _origarg
|
	... when != _origarg
	_handletype *_handle;
	... when != _handle
	_handle =
-(void *)_origarg;
+from_timer(_handle, t, _timer);
	... when != _origarg
)
 }

// callback(unsigned long arg) without existing variable
@change_callback_handle_cast_no_arg
 depends on change_timer_function_usage &&
                     !change_callback_handle_cast@
identifier change_timer_function_usage._callback;
identifier change_timer_function_usage._timer;
type _origtype;
identifier _origarg;
type _handletype;
@@

 void _callback(
-_origtype _origarg
+struct timer_list *t
 )
 {
+	_handletype *_origarg = from_timer(_origarg, t, _timer);
+
	... when != _origarg
-	(_handletype *)_origarg
+	_origarg
	... when != _origarg
 }

// Avoid already converted callbacks.
@match_callback_converted
 depends on change_timer_function_usage &&
            !change_callback_handle_cast &&
	    !change_callback_handle_cast_no_arg@
identifier change_timer_function_usage._callback;
identifier t;
@@

 void _callback(struct timer_list *t)
 { ... }

// callback(struct something *handle)
@change_callback_handle_arg
 depends on change_timer_function_usage &&
	    !match_callback_converted &&
            !change_callback_handle_cast &&
            !change_callback_handle_cast_no_arg@
identifier change_timer_function_usage._callback;
identifier change_timer_function_usage._timer;
type _handletype;
identifier _handle;
@@

 void _callback(
-_handletype *_handle
+struct timer_list *t
 )
 {
+	_handletype *_handle = from_timer(_handle, t, _timer);
	...
 }

// If change_callback_handle_arg ran on an empty function, remove
// the added handler.
@unchange_callback_handle_arg
 depends on change_timer_function_usage &&
	    change_callback_handle_arg@
identifier change_timer_function_usage._callback;
identifier change_timer_function_usage._timer;
type _handletype;
identifier _handle;
identifier t;
@@

 void _callback(struct timer_list *t)
 {
-	_handletype *_handle = from_timer(_handle, t, _timer);
 }

// We only want to refactor the setup_timer() data argument if we've found
// the matching callback. This undoes changes in change_timer_function_usage.
@unchange_timer_function_usage
 depends on change_timer_function_usage &&
            !change_callback_handle_cast &&
            !change_callback_handle_cast_no_arg &&
	    !change_callback_handle_arg@
expression change_timer_function_usage._E;
identifier change_timer_function_usage._timer;
identifier change_timer_function_usage._callback;
type change_timer_function_usage._cast_data;
@@

(
-timer_setup(&_E->_timer, _callback, 0);
+setup_timer(&_E->_timer, _callback, (_cast_data)_E);
|
-timer_setup(&_E._timer, _callback, 0);
+setup_timer(&_E._timer, _callback, (_cast_data)&_E);
)

// If we fixed a callback from a .function assignment, fix the
// assignment cast now.
@change_timer_function_assignment
 depends on change_timer_function_usage &&
            (change_callback_handle_cast ||
             change_callback_handle_cast_no_arg ||
             change_callback_handle_arg)@
expression change_timer_function_usage._E;
identifier change_timer_function_usage._timer;
identifier change_timer_function_usage._callback;
type _cast_func;
typedef TIMER_FUNC_TYPE;
@@

(
 _E->_timer.function =
-_callback
+(TIMER_FUNC_TYPE)_callback
 ;
|
 _E->_timer.function =
-&_callback
+(TIMER_FUNC_TYPE)_callback
 ;
|
 _E->_timer.function =
-(_cast_func)_callback;
+(TIMER_FUNC_TYPE)_callback
 ;
|
 _E->_timer.function =
-(_cast_func)&_callback
+(TIMER_FUNC_TYPE)_callback
 ;
|
 _E._timer.function =
-_callback
+(TIMER_FUNC_TYPE)_callback
 ;
|
 _E._timer.function =
-&_callback;
+(TIMER_FUNC_TYPE)_callback
 ;
|
 _E._timer.function =
-(_cast_func)_callback
+(TIMER_FUNC_TYPE)_callback
 ;
|
 _E._timer.function =
-(_cast_func)&_callback
+(TIMER_FUNC_TYPE)_callback
 ;
)

// Sometimes timer functions are called directly. Replace matched args.
@change_timer_function_calls
 depends on change_timer_function_usage &&
            (change_callback_handle_cast ||
             change_callback_handle_cast_no_arg ||
             change_callback_handle_arg)@
expression _E;
identifier change_timer_function_usage._timer;
identifier change_timer_function_usage._callback;
type _cast_data;
@@

 _callback(
(
-(_cast_data)_E
+&_E->_timer
|
-(_cast_data)&_E
+&_E._timer
|
-_E
+&_E->_timer
)
 )

// If a timer has been configured without a data argument, it can be
// converted without regard to the callback argument, since it is unused.
@match_timer_function_unused_data@
expression _E;
identifier _timer;
identifier _callback;
@@

(
-setup_timer(&_E->_timer, _callback, 0);
+timer_setup(&_E->_timer, _callback, 0);
|
-setup_timer(&_E->_timer, _callback, 0L);
+timer_setup(&_E->_timer, _callback, 0);
|
-setup_timer(&_E->_timer, _callback, 0UL);
+timer_setup(&_E->_timer, _callback, 0);
|
-setup_timer(&_E._timer, _callback, 0);
+timer_setup(&_E._timer, _callback, 0);
|
-setup_timer(&_E._timer, _callback, 0L);
+timer_setup(&_E._timer, _callback, 0);
|
-setup_timer(&_E._timer, _callback, 0UL);
+timer_setup(&_E._timer, _callback, 0);
|
-setup_timer(&_timer, _callback, 0);
+timer_setup(&_timer, _callback, 0);
|
-setup_timer(&_timer, _callback, 0L);
+timer_setup(&_timer, _callback, 0);
|
-setup_timer(&_timer, _callback, 0UL);
+timer_setup(&_timer, _callback, 0);
|
-setup_timer(_timer, _callback, 0);
+timer_setup(_timer, _callback, 0);
|
-setup_timer(_timer, _callback, 0L);
+timer_setup(_timer, _callback, 0);
|
-setup_timer(_timer, _callback, 0UL);
+timer_setup(_timer, _callback, 0);
)

@change_callback_unused_data
 depends on match_timer_function_unused_data@
identifier match_timer_function_unused_data._callback;
type _origtype;
identifier _origarg;
@@

 void _callback(
-_origtype _origarg
+struct timer_list *unused
 )
 {
	... when != _origarg
 }

Signed-off-by: Kees Cook <keescook@chromium.org>
2017-11-21 15:57:07 -08:00