Commit Graph

621 Commits

Author SHA1 Message Date
Larry Finger
41880bb38a rtlwifi: btcoexist: Convert halbtcoutsrc.c to use standard debugging
The routines in btcoexist use different debugging routines than are used
in the other drivers. This patch converts halbtcoutsrc.c to use the
standard routines. It also deletes the definitions of the now-unused
debugging macros, and turns on compilation of all the routines in
btcoexist.

Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Cc: Ping-Ke Shih <pkshih@realtek.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2017-02-07 10:04:40 +02:00
Larry Finger
10468c3b43 rtlwifi: btcoexist: Convert halbtc8821a2ant.c to use standard debugging
The routines in btcoexist use different debugging routines than are used
in the other drivers. This patch converts halbtc8821a2ant.c to use the
standard routines.

Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Cc: Ping-Ke Shih <pkshih@realtek.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2017-02-07 10:04:39 +02:00
Larry Finger
bed4ff58af rtlwifi: btcoexist: Convert halbtc8821a1ant.c to use standard debugging
The routines in btcoexist use different debugging routines than are used
in the other drivers. This patch converts halbtc8821a1ant.c to use the
standard routines.

Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Cc: Ping-Ke Shih <pkshih@realtek.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2017-02-07 10:04:38 +02:00
Larry Finger
2277f5f115 rtlwifi: btcoexist: Convert halbtc8723b2ant.c to use standard debugging
The routines in btcoexist use different debugging routines than are used
in the other drivers. This patch converts halbtc8723b2ant.c to use the
standard routines.

Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Cc: Ping-Ke Shih <pkshih@realtek.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2017-02-07 10:04:38 +02:00
Larry Finger
dd192494e6 rtlwifi: btcoexist: Convert halbtc8723b1ant.c to use standard debugging
The routines in btcoexist use different debugging routines than are used
in the other drivers. This patch converts halbtc8723b1ant.c to use the
standard routines.

Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Cc: Ping-Ke Shih <pkshih@realtek.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2017-02-07 10:04:37 +02:00
Larry Finger
258b93cc39 rtlwifi: btcoexist: Convert halbtc8192e2ant.c to use standard debugging
The routines in btcoexist use different debugging routines than are used
in the other drivers. This patch converts halbtc8192e2ant.c to use the
standard routines.

Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Cc: Ping-Ke Shih <pkshih@realtek.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2017-02-07 10:04:37 +02:00
Larry Finger
d5e582523a rtlwifi: rtl8821ae: Fix typo in symbol for bandwidth numbers
In several places, "BANDWITH" is used when "BANDWIDTH" should have been
used.

Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Cc: Ping-Ke Shih <pkshih@realtek.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2017-02-07 10:04:36 +02:00
Ping-Ke Shih
cceb0a5973 rtlwifi: Add work queue for c2h cmd.
btcoex needs to sleep, thus it must run in thread context.

Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2017-02-07 09:25:08 +02:00
Ping-Ke Shih
0ff78adeef rtlwifi: rtl8723be: fix ant_sel code
When ant_sel is set, we need to fill single_ant_path to select correct
antenna path.

Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2017-02-07 09:25:08 +02:00
Ping-Ke Shih
e0215c1420 rtlwifi: btcoex: move bt_type declaration
Routine rtl_get_hwpg_bt_type() is better in halbtcoutsrc.c than in
rtl_btc.c.

Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2017-02-07 09:25:08 +02:00
Ping-Ke Shih
7fe1fe75c3 rtlwifi: rtl8723be: btcoex: add package_type function to btcoex
The new code handles the package-type of the chip.

Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2017-02-07 09:25:08 +02:00
Ping-Ke Shih
0de9b5db9f rtlwifi: move btcoex's ant_num declaration
File halbtcoutsrc.c is a better place for routine rtl_get_hwpg_ant_num()
than file rtl_btc.c.

Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2017-02-07 09:25:08 +02:00
Ping-Ke Shih
db8cb0095b rtlwifi: rtl8723be: btcoexist: Add single_ant_path
Some devices with RTL8732BE wifi/Bluetooth adapters are shipped with only
a single antenna. On a subset of these, the EEPROM is incorectly coded
to indicate the wrong connection. The resulting problems have been fixed
for wifi. This change handles them for BT.

Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2017-02-07 09:25:08 +02:00
Larry Finger
d46fa3e47a rtlwifi: btcoexist: Change logging in halbtc8192e2ant.c
This routine uses its own debugging macros These are changed to use the
the recently rewritten RT_TRACE macro. There are also some renamed
variables that were missed in the previous step.

The only functional change is that some debugging statements have been
dropped based on the final code supplied by Realtek.

Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Cc: Ping-Ke Shih <pkshih@realtek.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2017-02-07 09:25:08 +02:00
Ping-Ke Shih
1a2814739f rtlwifi: btcoexist: Add vendor definition for new btcoexist
Routine halbtc_get() will need to be able to get the vendor ID.

Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2017-02-07 09:25:08 +02:00
Ping-Ke Shih
6f85c03bc3 rtlwifi: Add a new enumeration value to btc_set_type
The new value is needed for future capability.

Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2017-02-07 09:25:08 +02:00
Ping-Ke Shih
8d0d43e342 rtlwifi: Set retry limit depends on vif type.
We assign different retry limit according to vif type, because
it can boost performance in field.

Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
Signed-off-by: shaofu <shaofu@realtek.com>
Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2017-02-07 09:25:08 +02:00
Ping-Ke Shih
1e75622c63 rtlwifi: Fix programing CAM content sequence.
There is a potential race condition when the control byte of a CAM
entry is written first. Write in reverse order to correct the condition.

Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
Signed-off-by: shaofu <shaofu@realtek.com>
Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2017-02-07 09:25:08 +02:00
David S. Miller
889711a03e wireless-drivers-next patches for 4.11
It's nice to see rt2x00 development has becoming active, for example
 adding support for a new chip version. Also wcn36xx has been converted
 to use the recently merged QCOM_SMD subsystem. Otherwise new features
 and fixes it lots of drivers.
 
 Major changes:
 
 iwlwifi
 
 * some more work in preparation for A000 family support
 * add support for radiotap timestamps
 * some work on our firmware debugging capabilities
 
 wcn36xx
 
 * convert to a proper QCOM_SMD driver (from the platform_driver interface)
 
 ath10k
 
 * VHT160 support
 * dump Copy Engine registers during firmware crash
 * search board file extension from SMBIOS
 
 wil6210
 
 * add disable_ap_sme module parameter
 
 rt2x00
 
 * support RT3352 with external PA
 * support for RT3352 with 20MHz crystal
 * add support for RT5350 WiSoC
 
 brcmfmac
 
 * add support for BCM43455 sdio device
 
 rtl8xxxu
 
 * add support for D-Link DWA-131 rev E1, TP-Link TL-WN822N v4 and others
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Merge tag 'wireless-drivers-next-for-davem-2017-02-01' of git://git.kernel.org/pub/scm/linux/kernel/git/kvalo/wireless-drivers-next

Kalle Valo says:

====================
wireless-drivers-next patches for 4.11

It's nice to see rt2x00 development has becoming active, for example
adding support for a new chip version. Also wcn36xx has been converted
to use the recently merged QCOM_SMD subsystem. Otherwise new features
and fixes it lots of drivers.

Major changes:

iwlwifi

* some more work in preparation for A000 family support
* add support for radiotap timestamps
* some work on our firmware debugging capabilities

wcn36xx

* convert to a proper QCOM_SMD driver (from the platform_driver interface)

ath10k

* VHT160 support
* dump Copy Engine registers during firmware crash
* search board file extension from SMBIOS

wil6210

* add disable_ap_sme module parameter

rt2x00

* support RT3352 with external PA
* support for RT3352 with 20MHz crystal
* add support for RT5350 WiSoC

brcmfmac

* add support for BCM43455 sdio device

rtl8xxxu

* add support for D-Link DWA-131 rev E1, TP-Link TL-WN822N v4 and others
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
2017-02-01 12:46:17 -05:00
Jurij Smakov
52f5631a4c rtlwifi: rtl8192ce: Fix loading of incorrect firmware
In commit cf4747d753 ("rtlwifi: Fix regression caused by commit
d86e647688, an error in the edit results in the wrong firmware
being loaded for some models of the RTL8188/8192CE. In this condition,
the connection suffered from high ping latency, slow transfer rates,
 and required higher signal strengths to work at all

See https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=853073,
https://bugzilla.opensuse.org/show_bug.cgi?id=1017471, and
https://github.com/lwfinger/rtlwifi_new/issues/203 for descriptions
of the problems. This patch fixes all of those problems.

Fixes: cf4747d753 ("rtlwifi: Fix regression caused by commit d86e64768859")
Signed-off-by: Jurij Smakov <jurij@wooyd.org>
Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Cc: Stable <stable@vger.kernel.org> # 4.9+
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2017-01-31 09:05:25 +02:00
Michael Schenk
575ddce050 rtlwifi: rtl_usb: Fix for URB leaking when doing ifconfig up/down
In the function rtl_usb_start we pre-allocate a certain number of urbs
for RX path but they will not be freed when calling rtl_usb_stop. This
results in leaking urbs when doing ifconfig up and down. Eventually,
the system has no available urbs.

Signed-off-by: Michael Schenk <michael.schenk@albis-elcon.com>
Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Cc: Stable <stable@vger.kernel.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2017-01-28 09:11:34 +02:00
Larry Finger
106e0deca1 rtlwifi: rtl8192cu: Convert driver to use common macros
These drivers use a set of complicated macros to extract and insert
information for the RX and TX descriptors. Driver rtl8192cu had a
different set than was used for the PCI-based drivers. To simplify
the code, rtl8192cu is switched to use the common version. In the
process, two errors in those common macros were found and fixed.

Besides simplifying the code, there is an additional benefit. We have
no BE hardware to test the PCI driver, but using the common macros
provides an additional test for the validity of many endian-sensitive
operations.

Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Cc: Ping-Ke Shih <pkshih@realtek.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2017-01-20 12:06:10 +02:00
Larry Finger
69d8597e9f rtlwifi: rtl8192cu: Calculate descriptor checksum correctly for BE
This driver requires a checksum for the descriptors so that the wifi
chip is assured that the USB transmission was correct. These entries
are little-endian, but the driver was always using cpu order in the
calculation. As a result, the driver failed on BE hardware.

Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Cc: Ping-Ke Shih <pkshih@realtek.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2017-01-20 12:06:09 +02:00
Larry Finger
89d32c9071 rtlwifi: Download firmware as bytes rather than as dwords
The firmware is read from disk as a little-endian byte string. The code
that loads the firmware into the device transfers it as 4-byte quantities.
The routines that write multi-byte quantities on BE hardware assume that
the data are in CPU order, and automatically do the conversion to the LE
order required by the device. As a result, the firmware is transmitted
incorrectly. Rather than do multiple byte swaps on the data, the download
routine is revised to transmit bytes rather than dwords. Although the
number of I/O operations is increased, the firmware is not often loaded.

All drivers have the same bug, and use essentially the same code to
download firmware. These routines have been moved into rtlwifi.

Some CamelCase variables have been renamed.

Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Cc: Ping-Ke Shih <pkshih@realtek.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2017-01-20 12:06:09 +02:00
Larry Finger
9336d376ed rtlwifi: Remove debugging entry in sysfs
As the kernel provides access to module parameters through entries in
/sys/module/<driver>/parameters/, there is no need for a private
interface. Thus the existing code for setting the debug level is
removed.

Reported-by: Kalle Valo <kvalo@codeaurora.org>
Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Cc: Ping-Ke Shih <pkshih@realtek.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2017-01-20 12:05:17 +02:00
Larry Finger
c34df318ec rtlwifi: Convert COMP_XX entries into a proper debugging mask
The debugging macros contain a parameter COMP_XX that could be used as a
mask; however, the code turns all these various bits on at the same time.
This change implements them as a proper mask, and adds module parameters
to set the mask at load time.

The current name "debug" for the debug level has been changed to
"debug_level" to better differentiate it from "debug_mask".

The debug routines have also been changed to interrogate the structure
that is loaded at entry time. As a result, the structure rtl_debug is no
longer needed, and all references to it are deleted.

Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Cc: Ping-Ke Shih <pkshih@realtek.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2017-01-20 12:05:17 +02:00
Larry Finger
102e295ed5 rtlwifi: Redo debugging macros RTPRINT and RT_PRINT_DATA
These two debugging formss implement debugging using rather complicated
macro constructions. These are replaced with compiled code that is easier
to understand.

Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Cc: Ping-Ke Shih <pkshih@realtek.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2017-01-20 12:05:16 +02:00
Jes Sorensen
1ee83789fc rtl8xxxu: Update author/maintainer contact info
Update copyright year and email address.

Signed-off-by: Jes Sorensen <Jes.Sorensen@gmail.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2017-01-20 11:49:01 +02:00
Axel Köllhofer
5407fd7de6 rtl8xxxu: Add additional USB IDs for rtl8192eu devices
These IDs originate from the vendor driver

Signed-off-by: Axel Köllhofer <AxelKoellhofer@web.de>
Signed-off-by: Jes Sorensen <Jes.Sorensen@gmail.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2017-01-20 11:49:01 +02:00
Axel Köllhofer
66dfa26ebc rtl8xxxu: Add USB ID for D-Link DWA-131 rev E1 (rtl8192eu)
This was tested by David Patiño.

Reported-by: David Patiño <davidpatino82@gmail.com>
Signed-off-by: Axel Köllhofer <AxelKoellhofer@web.de>
Signed-off-by: Jes Sorensen <Jes.Sorensen@gmail.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2017-01-20 11:49:01 +02:00
Jes Sorensen
c14239f23a rtl8xxxu: Add another 8192eu device to the USB list
TP-Link TL-WN822N v4 (2357:0108)

Reported-by: Gregory Auzanneau <linux@reolight.net>
Signed-off-by: Jes Sorensen <Jes.Sorensen@gmail.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2017-01-20 11:49:00 +02:00
Jes Sorensen
d607e39656 rtl8xxxu: Mark 8192eu device 0x0bda:0x818b as tested
Device reported as working fine, so tell the driver not to warn about
it being untested.

Reported-by: Aex Aey <aexaey@gmail.com>
Signed-off-by: Jes Sorensen <Jes.Sorensen@gmail.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2017-01-20 11:49:00 +02:00
Larry Finger
7f2f61377b rtlwifi: rtl8192de: Remove a pointless goto
In commit c93ac39da0 ("rtlwifi: Remove some redundant code), a goto
statement was inadvertently left in the code.

Fixes: c93ac39da0 ("rtlwifi: Remove some redundant code)
Reported-by: kbuild test robot <fengguang.wu@intel.com>
Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2017-01-17 14:13:12 +02:00
David S. Miller
02ac5d1487 Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Two AF_* families adding entries to the lockdep tables
at the same time.

Signed-off-by: David S. Miller <davem@davemloft.net>
2017-01-11 14:43:39 -05:00
David S. Miller
85eb018fec wireless-drivers-next patches for 4.11
The most notable change here is the inclusion of airtime fairness
 scheduling to ath9k. It prevents slow clients from hogging all the
 airtime and unfairly slowing down faster clients.
 
 Otherwise smaller changes and cleanup.
 
 Major changes:
 
 ath9k
 
 * cleanup eeprom endian handling
 * add airtime fairness scheduling
 
 ath10k
 
 * fix issues for new QCA9377 firmware version
 * support dev_coredump() for firmware crash dump
 * enable channel 169 on 5 GHz band
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Merge tag 'wireless-drivers-next-for-davem-2017-01-02' of git://git.kernel.org/pub/scm/linux/kernel/git/kvalo/wireless-drivers-next

Kalle Valo says:

====================
wireless-drivers-next patches for 4.11

The most notable change here is the inclusion of airtime fairness
scheduling to ath9k. It prevents slow clients from hogging all the
airtime and unfairly slowing down faster clients.

Otherwise smaller changes and cleanup.

Major changes:

ath9k

* cleanup eeprom endian handling
* add airtime fairness scheduling

ath10k

* fix issues for new QCA9377 firmware version
* support dev_coredump() for firmware crash dump
* enable channel 169 on 5 GHz band
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
2017-01-02 15:23:34 -05:00
Colin Ian King
e16e558e83 rtlwifi: fix spelling mistake: "encrypiton" -> "encryption"
trivial fix to spelling mistake in RT_TRACE message

Signed-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2017-01-01 20:54:33 +02:00
Colin Ian King
3b1fc7680a rtlwifi: fix spelling mistake: "contry" -> "country"
trivial fix to spelling mistake in RT_TRACE message

Signed-off-by: Colin Ian King <colin.king@canonical.com>
Acked-by: Larry Finger <Larry.Finger@lwfinger.net>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2016-12-30 15:57:25 +02:00
Ping-Ke Shih
40b368af4b rtlwifi: Fix alignment issues
The addresses of Wlan NIC registers are natural alignment, but some
drivers have bugs. These are evident on platforms that need natural
alignment to access registers.  This change contains the following:
 1. Function _rtl8821ae_dbi_read() is used to read one byte from DBI,
    thus it should use rtl_read_byte().
 2. Register 0x4C7 of 8192ee is single byte.

Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Cc: Stable <stable@vger.kernel.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2016-12-30 15:56:53 +02:00
Larry Finger
c93ac39da0 rtlwifi: Remove some redundant code
The symbol DBG_EMERG is no longer used and is removed.

In a number of places, the code has redundant messages. For example, if
the failure for the firmware to run is logged, it is not necessary to
log that the firmware has been started. In addition, extraneous braces are
removed.

Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Cc: Ping-Ke Shih <pkshih@realtek.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2016-12-30 15:54:28 +02:00
Larry Finger
02527a73be rtlwifi: rtl8188ee: Remove all instances of DBG_EMERG
This is a step toward eliminating the RT_TRACE macros. Those calls that
have DBG_EMERG as the level are always logged, and they represent error
conditions, thus they are replaced with pr_err().

Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Cc: Ping-Ke Shih <pkshih@realtek.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2016-12-30 15:54:27 +02:00
Larry Finger
0fc30e9350 rtlwifi: rtl8192c-common: Remove all instances of DBG_EMERG
This is a step toward eliminating the RT_TRACE macros. Those calls that
have DBG_EMERG as the level are always logged, and they represent error
conditions, thus they are replaced with pr_err().

Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Cc: Ping-Ke Shih <pkshih@realtek.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2016-12-30 15:54:26 +02:00
Larry Finger
e40a005652 rtlwifi: rtl8192ce: Remove all instances of DBG_EMERG
This is a step toward eliminating the RT_TRACE macros. Those calls that
have DBG_EMERG as the level are always logged, and they represent error
conditions, thus they are replaced with pr_err().

Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Cc: Ping-Ke Shih <pkshih@realtek.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2016-12-30 15:54:26 +02:00
Larry Finger
c38af3f06a rtlwifi: rtl8192cu: Remove all instances of DBG_EMERG
This is a step toward eliminating the RT_TRACE macros. Those calls that
have DBG_EMERG as the level are always logged, and they represent error
conditions, thus they are replaced with pr_err().

Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Cc: Ping-Ke Shih <pkshih@realtek.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2016-12-30 15:54:25 +02:00
Larry Finger
b8c79f4548 rtlwifi: rtl8192de: Remove all instances of DBG_EMERG
This is a step toward eliminating the RT_TRACE macros. Those calls that
have DBG_EMERG as the level are always logged, and they represent error
conditions, thus they are replaced with pr_err().

Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Cc: Ping-Ke Shih <pkshih@realtek.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2016-12-30 15:54:24 +02:00
Larry Finger
2d15acac23 rtlwifi: rtl8192se: Remove all instances of DBG_EMERG
This is a step toward eliminating the RT_TRACE macros. Those calls that
have DBG_EMERG as the level are always logged, and they represent error
conditions, thus they are replaced with pr_err().

Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Cc: Ping-Ke Shih <pkshih@realtek.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2016-12-30 15:54:24 +02:00
Larry Finger
c7532b8765 rtlwifi: rtl8723-common: Remove all instances of DBG_EMERG
This is a step toward eliminating the RT_TRACE macros. Those calls that
have DBG_EMERG as the level are always logged, and they represent error
conditions, thus they are replaced with pr_err().

Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Cc: Ping-Ke Shih <pkshih@realtek.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2016-12-30 15:54:23 +02:00
Larry Finger
a44f59d603 rtlwifi: rtl8192ee: Remove all instances of DBG_EMERG
This is a step toward eliminating the RT_TRACE macros. Those calls that
have DBG_EMERG as the level are always logged, and they represent error
conditions, thus they are replaced with pr_err().

Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Cc: Ping-Ke Shih <pkshih@realtek.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2016-12-30 15:54:22 +02:00
Larry Finger
a67005bc46 rtlwifi: rtl8723ae: Remove all instances of DBG_EMERG
This is a step toward eliminating the RT_TRACE macros. Those calls that
have DBG_EMERG as the level are always logged, and they represent error
conditions, thus they are replaced with pr_err().

Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Cc: Ping-Ke Shih <pkshih@realtek.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2016-12-30 15:54:22 +02:00
Larry Finger
4e2b4378f9 rtlwifi: rtl8723be: Remove all instances of DBG_EMERG
This is a step toward eliminating the RT_TRACE macros. Those calls that
have DBG_EMERG as the level are always logged, and they represent error
conditions, thus they are replaced with pr_err().

Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Cc: Ping-Ke Shih <pkshih@realtek.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2016-12-30 15:54:21 +02:00
Larry Finger
004a1e1679 rtlwifi: rtl8821ae: Remove all instances of DBG_EMERG
This is a step toward eliminating the RT_TRACE macros. Those calls that
have DBG_EMERG as the level are always logged, and they represent error
conditions, thus they are replaced with pr_err().

Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Cc: Ping-Ke Shih <pkshih@realtek.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2016-12-30 15:54:20 +02:00
Larry Finger
b03d968b66 rtlwifi: Remove RT_TRACE messages that use DBG_EMERG
These messages are always logged and represent error conditions, thus
we can use pr_err().

Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Cc: Ping-Ke Shih <pkshih@realtek.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2016-12-30 15:54:20 +02:00
Larry Finger
531940f964 rtlwifi: Replace local debug macro RT_ASSERT
This macro can be replaced with WARN_ONCE. In addition to using a
standard debugging macro for these critical errors, we also get
a stack dump.

In rtl8821ae/hw.c, a senseless comment was removed, and an incorrect
indentation was fixed.

This patch also fixes two places in each of rtl8192ee, rtl8723be,
and rtl8821ae where the logical condition was incorrect.

Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Cc: Ping-Ke Shih <pkshih@realtek.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2016-12-30 15:54:19 +02:00
Larry Finger
60f59ce027 rtlwifi: rtl_usb: Fix missing entry in USB driver's private data
These drivers need to be able to reference "struct ieee80211_hw" from
the driver's private data, and vice versa. The USB driver failed to
store the address of ieee80211_hw in the private data. Although this
bug has been present for a long time, it was not exposed until
commit ba9f93f82a ("rtlwifi: Fix enter/exit power_save").

Fixes: ba9f93f82a ("rtlwifi: Fix enter/exit power_save")
Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2016-12-30 15:38:13 +02:00
Larry Finger
22b68b93ae rtlwifi: Fix kernel oops introduced with commit e496561473
With commit e496561473 {"rtlwifi: Use dev_kfree_skb_irq instead of
kfree_skb"), the method used to free an skb was changed because the
kfree_skb() was inside a spinlock. What was forgotten is that kfree_skb()
guards against a NULL value for the argument. Routine dev_kfree_skb_irq()
does not, and a test is needed to prevent kernel panics.

Fixes: e496561473 ("rtlwifi: Use dev_kfree_skb_irq instead of kfree_skb")
Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Cc: Stable <stable@vger.kernel.org> # 4.9+
Cc: Wei Yongjun <weiyongjun1@huawei.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2016-12-21 16:34:16 +02:00
Michael S. Tsirkin
6bdf1e0efb Makefile: drop -D__CHECK_ENDIAN__ from cflags
That's the default now, no need for makefiles to set it.

Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Acked-by: Kalle Valo <kvalo@codeaurora.org>
Acked-by: Marcel Holtmann <marcel@holtmann.org>
Acked-by: Marc Kleine-Budde <mkl@pengutronix.de>
Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Acked-by: Arend van Spriel <arend.vanspriel@broadcom.com>
2016-12-16 00:13:43 +02:00
Linus Torvalds
a9042defa2 Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial
Pull trivial updates from Jiri Kosina.

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial:
  NTB: correct ntb_spad_count comment typo
  misc: ibmasm: fix typo in error message
  Remove references to dead make variable LINUX_INCLUDE
  Remove last traces of ikconfig.h
  treewide: Fix printk() message errors
  Documentation/device-mapper: s/getsize/getsz/
2016-12-14 11:12:25 -08:00
Masanari Iida
9165dabb25 treewide: Fix printk() message errors
This patch fix spelling typos in printk and kconfig.

Signed-off-by: Masanari Iida <standby24x7@gmail.com>
Acked-by: Randy Dunlap <rdunlap@infradead.org>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
2016-12-14 10:54:27 +01:00
David S. Miller
ab17cb1fea wireless-drivers-next patches for 4.10
Major changes:
 
 rsi
 
 * filter rx frames
 * configure tx power
 * make it possible to select antenna
 * support 802.11d
 
 brcmfmac
 
 * cleanup of scheduled scan code
 * support for bcm43341 chipset with different chip id
 * support rev6 of PCIe device interface
 
 ath10k
 
 * add spectral scan support for QCA6174 and QCA9377 families
 * show used tx bitrate with 10.4 firmware
 
 wil6210
 
 * add power save mode support
 * add abort scan functionality
 * add support settings retry limit for short frames
 
 bcma
 
 * add Dell Inspiron 3148
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Merge tag 'wireless-drivers-next-for-davem-2016-12-01' of git://git.kernel.org/pub/scm/linux/kernel/git/kvalo/wireless-drivers-next

Kalle Valo says:

====================
wireless-drivers-next patches for 4.10

Major changes:

rsi

* filter rx frames
* configure tx power
* make it possible to select antenna
* support 802.11d

brcmfmac

* cleanup of scheduled scan code
* support for bcm43341 chipset with different chip id
* support rev6 of PCIe device interface

ath10k

* add spectral scan support for QCA6174 and QCA9377 families
* show used tx bitrate with 10.4 firmware

wil6210

* add power save mode support
* add abort scan functionality
* add support settings retry limit for short frames

bcma

* add Dell Inspiron 3148
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
2016-12-02 13:58:10 -05:00
Jes Sorensen
c59f13bbea rtl8xxxu: Work around issue with 8192eu and 8723bu devices not reconnecting
The H2C MEDIA_STATUS_RPT command for some reason causes 8192eu and
8723bu devices not being able to reconnect.

Reported-by: Barry Day <briselec@gmail.com>
Cc: <stable@vger.kernel.org> #4.8+
Signed-off-by: Jes Sorensen <Jes.Sorensen@redhat.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2016-12-01 14:24:05 +02:00
Larry Finger
ba9f93f82a rtlwifi: Fix enter/exit power_save
In commit a5ffbe0a19 ("rtlwifi: Fix scheduling while atomic bug") and
commit a269913c52 ("rtlwifi: Rework rtl_lps_leave() and rtl_lps_enter()
to use work queue"), an error was introduced in the power-save routines
due to the fact that leaving PS was delayed by the use of a work queue.

This problem is fixed by detecting if the enter or leave routines are
in interrupt mode. If so, the workqueue is used to place the request.
If in normal mode, the enter or leave routines are called directly.

Fixes: a269913c52 ("rtlwifi: Rework rtl_lps_leave() and rtl_lps_enter() to use work queue")
Reported-by: Ping-Ke Shih <pkshih@realtek.com>
Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Cc: Stable <stable@vger.kernel.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2016-11-29 17:33:10 +02:00
Barry Day
c06696a958 rtl8xxxu: tx rate reported before set
Move the dev_info call that attempts to show the rate used before it is set.

Signed-off-by: Barry Day <briselec@gmail.com>
Reported-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Barry Day <briselec@gmail.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2016-11-28 17:37:07 +02:00
David S. Miller
33f8a0458b wireless-drivers-next patches for 4.10
Major changes:
 
 iwlwifi
 
 * finalize and enable dynamic queue allocation
 * use dev_coredumpmsg() to prevent locking the driver
 * small fix to pass the AID to the FW
 * use FW PS decisions with multi-queue
 
 ath9k
 
 * add device tree bindings
 * switch to use mac80211 intermediate software queues to reduce
   latency and fix bufferbloat
 
 wl18xx
 
 * allow scanning in AP mode
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Merge tag 'wireless-drivers-next-for-davem-2016-11-25' of git://git.kernel.org/pub/scm/linux/kernel/git/kvalo/wireless-drivers-next

Kalle Valo says:

====================
wireless-drivers-next patches for 4.10

Major changes:

iwlwifi

* finalize and enable dynamic queue allocation
* use dev_coredumpmsg() to prevent locking the driver
* small fix to pass the AID to the FW
* use FW PS decisions with multi-queue

ath9k

* add device tree bindings
* switch to use mac80211 intermediate software queues to reduce
  latency and fix bufferbloat

wl18xx

* allow scanning in AP mode
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
2016-11-27 20:26:59 -05:00
Wei Yongjun
13e1349aff rtl8xxxu: Fix non static symbol warning
Fixes the following sparse warning:

drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_8192e.c:1559:6: warning:
 symbol 'rtl8192eu_power_off' was not declared. Should it be static?

Signed-off-by: Wei Yongjun <weiyongjun1@huawei.com>
Signed-off-by: Jes Sorensen <Jes.Sorensen@redhat.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2016-11-25 11:51:02 +02:00
Jes Sorensen
b4c3d9cfb6 rtl8xxxu: Pass tx_info to fill_txdesc in order to have access to retry count
In order to obtain retry count for a given rate we need to pass the
full struct ieee80211_tx_info to the function setting the rate in he
TX descriptor.

This uncovered a huge bug where the old code would use struct
ieee80211_rate.flags to test for rate parameters, which is always
zero, instead of the flags value from struct ieee80211_tx_rate.

Time to find a brown paper bag :(

Signed-off-by: Jes Sorensen <Jes.Sorensen@redhat.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2016-11-25 11:51:01 +02:00
Jes Sorensen
a748a11038 rtl8xxxu: Obtain RTS rates from mac80211
Use the mac80211 provided rate for RTS rather than the hard coded
24Mbps as suggested by the vendor drivers.

Reported-by: Andrea Merello <andrea.merello@gmail.com>
Signed-off-by: Jes Sorensen <Jes.Sorensen@redhat.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2016-11-25 11:51:01 +02:00
Jes Sorensen
5d03f882c2 rtl8xxxu: Fix rtl8192eu driver reload issue
The 8192eu suffered from two issues when reloading the driver.

The same problems as with the 8723bu where REG_RX_WAIT_CCA bits 22 and
23 didn't get set in rtl8192e_enable_rf().

In addition it also seems prone to issues when setting REG_RF_CTRL to
0 intead of just disabling the RF_ENABLE bit. Similar to what was
causing issues with the 8188eu.

With this patch I can successfully reload the driver and reassociate
to an APi with an 8192eu dongle.

Signed-off-by: Jes Sorensen <Jes.Sorensen@redhat.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2016-11-25 11:51:00 +02:00
Jes Sorensen
b9af935511 rtl8xxxu: Fix rtl8723bu driver reload issue
The generic disable_rf() function clears bits 22 and 23 in
REG_RX_WAIT_CCA, however we did not re-enable them again in
rtl8723b_enable_rf()

This resolves the problem for me with 8723bu devices not working again
after reloading the driver.

Signed-off-by: Jes Sorensen <Jes.Sorensen@redhat.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2016-11-25 11:51:00 +02:00
Jes Sorensen
cf7cfef064 rtl8xxxu: Fix big-endian problem reporting mactime
The full RX descriptor is converted so converting tsfl again would
return it to it's original endian value.

Signed-off-by: Jes Sorensen <Jes.Sorensen@redhat.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2016-11-25 11:50:59 +02:00
Jes Sorensen
a0aba89763 rtl8xxxu: Fix memory leak in handling rxdesc16 packets
A device running without RX package aggregation could return more data
in the USB packet than the actual network packet. In this case the
could would clone the skb but then determine that that there was no
packet to handle and exit without freeing the cloned skb first.

This has so far only been observed with 8188eu devices, but could
affect others.

Signed-off-by: Jes Sorensen <Jes.Sorensen@redhat.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2016-11-25 11:50:58 +02:00
Wei Yongjun
e496561473 rtlwifi: Use dev_kfree_skb_irq instead of kfree_skb
It is not allowed to call kfree_skb() from hardware interrupt
context or with interrupts being disabled, spin_lock_irqsave()
make sure always in irq disable context. So the kfree_skb()
should be replaced with dev_kfree_skb_irq().

This is detected by Coccinelle semantic patch.

Signed-off-by: Wei Yongjun <weiyongjun1@huawei.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2016-11-17 08:48:33 +02:00
Larry Finger
1b4893264e rtlwifi: Remove address of Free Software Foundation
Since this driver was added to the kernel, the checkpatch script was
modified to request that the address of the FSF not be included.

Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2016-11-17 08:41:51 +02:00
Larry Finger
61a288fcdc rtlwifi: rtl8192c: Remove address of Free Software Foundation
Since this driver was added to the kernel, the checkpatch script was
modified to request that the address of the FSF not be included.

Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2016-11-17 08:41:50 +02:00
Larry Finger
044a609a1d rtlwifi: rtl8188ee: Remove address of Free Software Foundation
Since this driver was added to the kernel, the checkpatch script was
modified to request that the address of the FSF not be included.

Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2016-11-17 08:41:50 +02:00
Larry Finger
20ac950f20 rtlwifi: rtl8723ae: Remove address of Free Software Foundation
Since this driver was added to the kernel, the checkpatch script was
modified to request that the address of the FSF not be included.

Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2016-11-17 08:41:49 +02:00
Larry Finger
7d63d36b92 rtlwifi: rtl8192cu: Remove address of Free Software Foundation
Since this driver was added to the kernel, the checkpatch script was
modified to request that the address of the FSF not be included.

Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2016-11-17 08:41:48 +02:00
Larry Finger
6456d4d35e rtlwifi: rtl8192ce: Remove address of Free Software Foundation
Since this driver was added to the kernel, the checkpatch script was
modified to request that the address of the FSF not be included.

Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2016-11-17 08:41:48 +02:00
Larry Finger
22beafeaf3 rtlwifi: rtl8192se: Remove address of Free Software Foundation
Since this driver was added to the kernel, the checkpatch script was
modified to request that the address of the FSF not be included.

Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2016-11-17 08:41:47 +02:00
Larry Finger
0d3d253b20 rtlwifi: rtl8192de: Remove address of Free Software Foundation
Since this driver was added to the kernel, the checkpatch script was
modified to request that the address of the FSF not be included.

Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2016-11-17 08:41:46 +02:00
Larry Finger
cf4747d753 rtlwifi: Fix regression caused by commit d86e647688
In commit d86e647688 ("rtlwifi: rtl818x: constify local structures"),
the configuration struct for most of the drivers was changed to be
constant. The problem is that five of the modified drivers need to be
able to update the firmware name based on the exact model of the card.
As the file names were stored in one of the members of that struct,
these drivers would fail with a kernel BUG splat when they tried to
update the firmware name.

Rather than reverting the previous commit, I used a suggestion by
Johannes Berg and made the firmware file name pointers be local to
the routines that update the software variables.

The configuration struct of rtl8192cu, which was not touched in the
previous patch, is now constantfied.

Fixes: d86e647688 ("rtlwifi: rtl818x: constify local structures")
Suggested-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Cc: Stable <stable@vger.kernel.org> # 4.8
Cc: Julia Lawall <Julia.Lawall@lip6.fr>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2016-10-13 13:22:13 +03:00
Jes Sorensen
29d5e6fbd6 rtl8xxxu: Fix rtl8192eu driver reload issue
The 8192eu suffered from two issues when reloading the driver.

The same problems as with the 8723bu where REG_RX_WAIT_CCA bits 22 and
23 didn't get set in rtl8192e_enable_rf().

In addition it also seems prone to issues when setting REG_RF_CTRL to
0 intead of just disabling the RF_ENABLE bit. Similar to what was
causing issues with the 8188eu.

With this patch I can successfully reload the driver and reassociate
to an APi with an 8192eu dongle.

Signed-off-by: Jes Sorensen <Jes.Sorensen@redhat.com>
Cc: stable@vger.kernel.org # 4.8+
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2016-10-07 14:24:20 +03:00
Jes Sorensen
ab05e5ec81 rtl8xxxu: Fix rtl8723bu driver reload issue
The generic disable_rf() function clears bits 22 and 23 in
REG_RX_WAIT_CCA, however we did not re-enable them again in
rtl8723b_enable_rf()

This resolves the problem for me with 8723bu devices not working again
after reloading the driver.

Signed-off-by: Jes Sorensen <Jes.Sorensen@redhat.com>
Cc: stable@vger.kernel.org # 4.7+
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2016-10-07 14:23:50 +03:00
Jes Sorensen
8a55698f2f rtl8xxxu: Fix big-endian problem reporting mactime
The full RX descriptor is converted so converting tsfl again would
return it to it's original endian value.

Signed-off-by: Jes Sorensen <Jes.Sorensen@redhat.com>
Cc: stable@vger.kernel.org # 4.8+
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2016-10-07 14:22:35 +03:00
Jes Sorensen
1e54134cca rtl8xxxu: Fix memory leak in handling rxdesc16 packets
A device running without RX package aggregation could return more data
in the USB packet than the actual network packet. In this case we
could would clone the skb but then determine that that there was no
packet to handle and exit without freeing the cloned skb first.

This has so far only been observed with 8188eu devices, but could
affect others.

Signed-off-by: Jes Sorensen <Jes.Sorensen@redhat.com>
Cc: stable@vger.kernel.org # 4.8+
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2016-10-07 14:22:15 +03:00
Larry Finger
8334ffdc82 rtlwifi: Add explicit values to hw_variables enum
The entries in this enum may be referenced in debug output. Adding explicit
values simplifies the lookup.

Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2016-09-27 18:46:03 +03:00
Larry Finger
1cc49a5b54 rtlwifi: Add HAL_DEF_WOWLAN case to *_get_hw() routines
Only rtl8821ae implements WOWLAN; however, the other drivers may receive
a call requesting information about this mode. The other drivers need to
ignore the request rather than logging that the default branch of the
switch statement has been reached.

Reported by: Jean Delvare <jdelvare@suse.de>
Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2016-09-27 18:46:03 +03:00
Joe Perches
ad5748893b rtlwifi: Add switch variable to 'switch case not processed' messages
Help along debugging by showing what switch/case variable is not
being processed in these messages.

Signed-off-by: Joe Perches <joe@perches.com>
Acked-by: Larry Finger <Larry.Finger@lwfinger.net>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2016-09-27 18:44:19 +03:00
Larry Finger
b42fbed6b8 rtl8xxxu: Stop log spam from each successful interrupt
As soon as debugging is turned on, the logs are filled with messages
reporting the interrupt status. As this quantity is usually zero, this
output is not needed. In fact, there will be a report if the status is
not zero, thus the debug line in question could probably be deleted.
Rather than taking that action, I have changed it to only be printed
when the newly added RTL8XXXU_DEBUG_INTERRUPT bit is set in the debug
mask.

Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Signed-off-by: Jes Sorensen <Jes.Sorensen@redhat.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2016-09-26 20:41:37 +03:00
Jes Sorensen
2fc5dd27bf rtl8xxxu: Use a struct rtl8xxxu_fileops * in rtl8xxxu_init_device()
This saves some 217, or about, derefences of priv->fops.

Signed-off-by: Jes Sorensen <Jes.Sorensen@redhat.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2016-09-26 20:41:36 +03:00
Jes Sorensen
c0a99bbb1b rtl8xxxu: Clean up llt_init() API
Remove last_tx_page argument from the llt_init() function. The
rtl8xxxu_fileops structure contains the correct TX_TOTAL_PAGE_NUM
value for the device, and rtl8xxxu_auto_llt_table() doesn't need to
know the value in the first place.

Signed-off-by: Jes Sorensen <Jes.Sorensen@redhat.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2016-09-26 20:41:36 +03:00
Jes Sorensen
3a589fae4a rtl8xxxu: Fix off by one error calculating pubq
This was detected tracing the 8188eu driver, but doesn't seem to make
any difference when using it.

Signed-off-by: Jes Sorensen <Jes.Sorensen@redhat.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2016-09-26 20:41:35 +03:00
Jes Sorensen
f1785fbf7c rtl8xxxu: Implement 8192e specific power down sequence
This powers down the 8192e correctly, or at least to the point where
the firmware will load again, when reloading the driver module.

Signed-off-by: Jes Sorensen <Jes.Sorensen@redhat.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2016-09-17 18:16:19 +03:00
Julia Lawall
d86e647688 rtlwifi: rtl818x: constify local structures
For structure types defined in the same file or local header files, find
top-level static structure declarations that have the following
properties:
1. Never reassigned.
2. Address never taken
3. Not passed to a top-level macro call
4. No pointer or array-typed field passed to a function or stored in a
variable.
Declare structures having all of these properties as const.

Done using Coccinelle.
Based on a suggestion by Joe Perches <joe@perches.com>.

Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2016-09-14 20:01:40 +03:00
Colin Ian King
0cd7f70399 rtl8xxxu: fix spelling mistake "firmare" -> "firmware"
Trivial fix to spelling mistakes in dev_dbg message.

Signed-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: Jes Sorensen <Jes.Sorensen@redhat.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2016-09-14 20:01:09 +03:00
Jes Sorensen
54cdf5c727 rtl8xxxu: Reset device on module unload if still attached
If the USB dongle is still attached, reset it on module unload to
avoid scans failing when reloading the driver.

Signed-off-by: Jes Sorensen <Jes.Sorensen@redhat.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2016-09-14 20:01:08 +03:00
Oleg Drokin
5856cd5b8d rtlwifi/rtl8192de: Fix print format string
%ul was likely meant as %lu to print an unsigned long,
not an unsigned with a letter l at the end.
But in fact the value printed is u32 anyway, so just drop
the l completely.

Signed-off-by: Oleg Drokin <green@linuxhacker.ru>
Acked-by: Larry Finger <Larry.Finger@lwfinger.net>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2016-09-03 20:04:26 +03:00
Larry Finger
0c9d349153 rtlwifi: Fix missing country code for Great Britain
Some RTL8821AE devices sold in Great Britain have the country code of
0x25 encoded in their EEPROM. This value is not tested in the routine
that establishes the regulatory info for the chip. The fix is to set
this code to have the same capabilities as the EU countries. In addition,
the channels allowed for COUNTRY_CODE_ETSI were more properly suited
for China and Israel, not the EU. This problem has also been fixed.

Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Cc: Stable <stable@vger.kernel.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2016-09-03 20:00:25 +03:00
Hans de Goede
7329dc1310 rtl8xxxu: Make rtl8xxxu_ampdu_action less chatty
On my home network rtl8xxxu is spamming the log with
IEEE80211_AMPDU_RX_START / IEEE80211_AMPDU_RX_STOP every few seconds
turn these messages into debug messages.

Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Jes Sorensen <Jes.Sorensen@redhat.com>
[kvalo@codeaurora.org: fix commit title]
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2016-09-03 19:58:19 +03:00
Wei Yongjun
77e3980201 rtl8xxxu: gen1: Fix non static symbol warning
Fixes the following sparse warning:

drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_core.c:898:1: warning:
 symbol 'rtl8xxxu_gen1_h2c_cmd' was not declared. Should it be static?

Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Signed-off-by: Jes Sorensen <Jes.Sorensen@redhat.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2016-09-03 19:57:33 +03:00
Jes Sorensen
b59415c2dd rtl8xxxu: Split filling of TX descriptors into separate functions
Split the filling of TX descriptors into a generic portion used on all
devices, and format specific helper functions provided in the fops
structure.

This also cleaned up some mess, even if non harmful, in the handling
of txdesc40 descriptors, where the code randomly would switch between
the pointer to tx_desc and tx_desc40.

Signed-off-by: Jes Sorensen <Jes.Sorensen@redhat.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2016-09-03 19:57:31 +03:00
Jes Sorensen
99afaac427 rtl8xxxu: Determine need for shore preamble before updating TX descriptors
Another patch to move this detection out of the code handling the TX
descriptor update.

Signed-off-by: Jes Sorensen <Jes.Sorensen@redhat.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2016-09-03 19:57:29 +03:00
Jes Sorensen
3972cc5791 rtl8xxxu: Determine the need for SGI before handling specific TX desc formats
In order to be able to split out the TX descriptor handling code,
determine in advance the need to mark SGI.

Signed-off-by: Jes Sorensen <Jes.Sorensen@redhat.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2016-09-03 19:57:24 +03:00
Jes Sorensen
be49b1f111 rtl8xxxu: Simplify calculating of hw value used for setting TX rate
Calculating the value in one place rather than using one calculation
in one place and a different one for management frames in another
location makes little sense.

Signed-off-by: Jes Sorensen <Jes.Sorensen@redhat.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2016-09-03 19:57:23 +03:00
Jes Sorensen
eed145ab25 rtl8xxxu: Introduce fops bitflag indicating type of thermal meter
Do not rely on TX descriptor size to determine the thermal meter
type.

Signed-off-by: Jes Sorensen <Jes.Sorensen@redhat.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2016-09-03 19:57:22 +03:00
Jes Sorensen
ee675cc30e rtl8xxxu: Convert flags in rtl8xxxu_fileops to bitflags
This leaves space for a few more flags within the same space.

Signed-off-by: Jes Sorensen <Jes.Sorensen@redhat.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2016-09-03 19:57:21 +03:00
Jes Sorensen
e3ebcd7428 rtl8xxxu: Use flag to indicate whether device has TX report timer support
Use a fileops flag to indicate whether the device has TX report timer
support. This will make it easier to include future devices such as
8188eu to use the TX report timer.

Signed-off-by: Jes Sorensen <Jes.Sorensen@redhat.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2016-09-03 19:57:20 +03:00
Jes Sorensen
0b09628948 rtl8xxxu: Add interrupt bit definitions for gen2 parts
These are primarily needed for SDIO/PCI parts, but the vendor driver
still sets them for some USB devices.

Signed-off-by: Jes Sorensen <Jes.Sorensen@redhat.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2016-09-03 19:57:19 +03:00
Jes Sorensen
dce7548fd9 rtl8xxxu: Add bit definitions for REG_FPGA0_TX_INFO
This adds TX antenna selection bit defines for OFDM mode.

Signed-off-by: Jes Sorensen <Jes.Sorensen@redhat.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2016-09-03 19:57:18 +03:00
Jes Sorensen
e02aa3eef7 rtl8xxxu: Simplify code setting TX buffer boundary
With all devices now offering fops->total_page_num, get rid of the
if mess for setting the TX buffer boundary.

Signed-off-by: Jes Sorensen <Jes.Sorensen@redhat.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2016-09-03 19:57:17 +03:00
Jes Sorensen
efeb8ce7a9 rtl8xxxu: Remove now obsolete rtl8xxxu_old_init_queue_reserved_page()
Switching over the old devices to use the new function allows us to
get rid of this legacy.

Signed-off-by: Jes Sorensen <Jes.Sorensen@redhat.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2016-09-03 19:57:16 +03:00
Jes Sorensen
b492940dc1 rtl8xxxu: Switch 8192cu/8188cu devices to use rtl8xxxu_init_queue_reserved_page()
This was the last user of the old
rtl8xxxu_old_init_queue_reserved_page() which can now be removed.

Signed-off-by: Jes Sorensen <Jes.Sorensen@redhat.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2016-09-03 19:57:15 +03:00
Jes Sorensen
e366f45d36 rtl8xxxu: Switch 8723a to use new rtl8xxxu_init_queue_reserved_page() routine
This changes the pub-queue value written to REQ_RQPN, however the old
code used a hard coded minimum value assuming there would always be an
active lo-queue, even when no USB EP was found for it.

Signed-off-by: Jes Sorensen <Jes.Sorensen@redhat.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2016-09-03 19:57:14 +03:00
Jes Sorensen
44abaa08d0 rtl8xxxu: Add TX page defines for 8723b
This switches the 8723b driver to use the new
rtl8xxxu_init_queue_reserved_page() function.

Signed-off-by: Jes Sorensen <Jes.Sorensen@redhat.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2016-09-03 19:57:13 +03:00
Jes Sorensen
690a6d268b rtl8xxxu: Add TP-Link TL-WN823N v2 to list of supported devices
This is an rtl8192eu based dongle (the v1 is an rtl8192cu). Reported
and tested by Myckel Habets.

Reported-by: Myckel Habets <myckel@sdf.lonestar.org>
Signed-off-by: Jes Sorensen <Jes.Sorensen@redhat.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2016-09-03 19:57:11 +03:00
Jes Sorensen
deb6176e56 rtl8xxxu: Fix error handling if rtl8xxxu_init_device() fails
For some reason we lost the code bailing if rtl8xxxu_init_device()
returned an error.

This catches the error and also cleans up the error handling.

Signed-off-by: Jes Sorensen <Jes.Sorensen@redhat.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2016-09-03 19:57:10 +03:00
Jes Sorensen
76a8e07d49 rtl8xxxu: Mark 0x2001:0x3308 as tested
D-Link DWA-121 is reported as working.

Reported-by: Stefano Bravi <stefanobravi69@libero.it>
Signed-off-by: Jes Sorensen <Jes.Sorensen@redhat.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2016-09-03 19:57:09 +03:00
Jes Sorensen
b81669b9e0 rtl8xxxu: Mark 0x20f4:0x648b as tested
Successfully tested by Jocelyn Mayer

Reported-by: J. Mayer <l_indien@magic.fr>
Signed-off-by: Jes Sorensen <Jes.Sorensen@redhat.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2016-09-03 19:57:07 +03:00
Christian Engelmayer
3eeacaa902 rtlwifi: rtl8723ae: Fix leak in _rtl8723e_read_adapter_info()
In case of (rtlhal->oem_id != RT_CID_DEFAULT), the function directly
returns and leaks the already allocated hwinfo memory. Go through the
correct exit path.

Signed-off-by: Christian Engelmayer <cengelma@gmx.at>
Acked-by: Larry Finger <Larry.Finger@lwfinger.net>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2016-09-03 19:53:45 +03:00
Christian Engelmayer
a0c7858e74 rtlwifi: rtl8192de: Fix leak in _rtl92de_read_adapter_info()
In case rtl_get_hwinfo() fails, the function directly returns and leaks the
already allocated hwinfo memory. Go through the correct exit path.

Signed-off-by: Christian Engelmayer <cengelma@gmx.at>
Acked-by: Larry Finger <Larry.Finger@lwfinger.net>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2016-09-03 19:52:25 +03:00
Heinrich Schuchardt
f898005ff9 rtlwifi: remove superfluous condition
If sta == NULL, the changed line will not be reached.
So no need to check that sta != NULL here.

Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
Acked-by: Larry Finger <Larry.Finger@lwfinger.net>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2016-09-03 13:03:03 +03:00
Wolfram Sang
eb36333896 net: wireless: realtek: rtlwifi: usb: don't print error when allocating urb fails
kmalloc will print enough information in case of failure.

Signed-off-by: Wolfram Sang <wsa-dev@sang-engineering.com>
Acked-by: Larry Finger <Larry.Finger@lwfinger.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
2016-08-13 14:53:41 -07:00
Arnd Bergmann
944c07a7aa rtlwifi: don't add include path for rtl8188ee
For rtl8188ee, we pass -Idrivers/net/wireless/rtlwifi/ to gcc,
however that directy no longer exists, so evidently this option
is no longer required here and can be removed to avoid a warning
when building with 'make W=1' or 'gcc -Wmissing-include-dirs'

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2016-07-19 21:17:41 +03:00
Kalle Valo
8a185006bc Merge git://git.kernel.org/pub/scm/linux/kernel/git/kvalo/wireless-drivers.git
This is to fix some conflicts in iwlwifi.

Conflicts:
	drivers/net/wireless/intel/iwlwifi/mvm/mac80211.c
	drivers/net/wireless/intel/iwlwifi/mvm/scan.c
2016-07-10 21:07:29 +03:00
Larry Finger
238ad2ddf3 rtlwifi: rtl8723ae: Clean up the hardware info routine
This driver contains some complicated if ... else if ... else constructions.
These are replaced by switch statements to improve readability.

Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2016-07-08 16:50:04 +03:00
Larry Finger
a8c9fb2b82 rtlwifi: rtl8192de: Convert driver to use common hardware info routine
The driver for RTL8192DE chips is converted to use the common routine
for getting the hardware information.

Reported-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Cc: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2016-07-08 16:50:04 +03:00
Larry Finger
2f7b4b8953 rtlwifi: rtl8821ae: Convert driver to use common hardware info routine
The driver for RTL8821AE chips is converted to use the common routine
for getting the hardware information.

Reported-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Cc: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2016-07-08 16:50:03 +03:00
Larry Finger
9e9c9c247c rtlwifi: rtl8723be: Convert driver to use common hardware info routine
The driver for RTL8723BE chips is converted to use the common routine
for getting the hardware information.

Reported-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Cc: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2016-07-08 16:50:03 +03:00
Larry Finger
8aaf6916de rtlwifi: rtl8723ae: Convert driver to use common hardware info routine
The driver for RTL8723AE chips is converted to use the common routine
for getting the hardware information.

Reported-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Cc: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2016-07-08 16:50:02 +03:00
Larry Finger
5c392654ee rtlwifi: rtl8192ee: Convert driver to use common hardware info routine
The driver for RTL8192EE chips is converted to use the common routine
for getting the hardware information.

Reported-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Cc: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2016-07-08 16:50:02 +03:00
Larry Finger
9468792743 rtlwifi: rtl8188ee: Convert driver to use common hardware info routine
The driver for RTL8188EE chips is converted to use the common routine
for getting the hardware information.

Reported-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Cc: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2016-07-08 16:50:01 +03:00
Larry Finger
c2d9a41145 rtlwifi: rtl8192cu: Convert driver to use common hardware info routine
The driver for RTL8192CU chips is converted to use the common routine
for getting the hardware information.

Reported-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Cc: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2016-07-08 16:50:01 +03:00
Larry Finger
df5cbc697d rtlwifi: rtl8192ce: Convert driver to use common hardware info routine
The driver for RTL8192CE chips is converted to use the common routine
for getting the hardware information.

Reported-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Cc: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2016-07-08 16:50:00 +03:00
Larry Finger
edb45b67a0 rtlwifi: Create common routine to get hardware info
All of the rtlwifi family of drivers have a similar routine that acquires
the hardware info from efuse and initializes a number of variables in the
driver's private area. A common routine is created for all drivers to use.

Reported-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Cc: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2016-07-08 16:50:00 +03:00
Masanari Iida
8a1902374f rtlwifi: Fix typo in printk
This patch fix spelling typos found in drivers/net/wireless/realtek.

Signed-off-by: Masanari Iida <standby24x7@gmail.com>
Reviewed-by: Julian Calaby <julian.calaby@gmail.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2016-07-08 16:42:51 +03:00
Jes Sorensen
fd83f12278 rtl8xxxu: gen1: Add module parameters to adjust DMA aggregation parameters
This allows the user to specify DMA aggregation timout and block
count. Blocks are presumably always 512 bytes, so the minimum block
count is 6 for 802.11 packets.

Signed-off-by: Jes Sorensen <Jes.Sorensen@redhat.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2016-07-08 16:41:59 +03:00
Jes Sorensen
614e389f36 rtl8xxxu: gen1: Set aggregation timeout (REG_RXDMA_AGG_PG_TH + 1) as well
gen2 chips as well as 8188eu seems to use this register for setting
DMA timeout threshold values, however the 8192cu is using
REG_USB_DMA_AGG_TO. Set both to be on the safe side.

Signed-off-by: Jes Sorensen <Jes.Sorensen@redhat.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2016-07-08 16:41:58 +03:00
Jes Sorensen
82cce22acd rtl8xxxu: Make DMA aggregation optional by setting a module parameter
Let the default to off until we have more data on the right default
tuning values.

Signed-off-by: Jes Sorensen <Jes.Sorensen@redhat.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2016-07-08 16:41:58 +03:00
Jes Sorensen
0a20ed8bd0 rtl8xxxu: Enable aggregation for rtl8192cu/rtl8188cu/rtl8188ru
This enables aggregation on rtl8192cu and derivative parts. This uses
the same parameters as for rtl8723au.

Signed-off-by: Jes Sorensen <Jes.Sorensen@redhat.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2016-07-08 16:41:57 +03:00
Jes Sorensen
91dcbb7175 rtl8xxxu: Enable aggregation for rtl8723au
Implement rtl8xxxu_gen1_init_aggregation(). Aggregation should be the
same for all gen1 parts. We may want to allow for tuning parameters in
the fileopes struct. For now this is based allocating 16KB RX buffers,
leaving 16000 bytes for actual packets, and the rest for the skb
overhead.

Signed-off-by: Jes Sorensen <Jes.Sorensen@redhat.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2016-07-08 16:41:57 +03:00
Jes Sorensen
1e5b3b3fe9 rtl8xxxu: Adjust RX skb size to include space for phystats
The old allocation didn't leave space for phystats in the buffer,
allowing the packet to be rejected if a frame size of size
IEEE80211_MAX_FRAME_LEN was received.

Signed-off-by: Jes Sorensen <Jes.Sorensen@redhat.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2016-07-08 16:41:56 +03:00
Jes Sorensen
04319ae2f6 rtl8xxxu: Allocate larger RX skbs when aggregation is enabled
This adds support for allocating larger skbs for devices which
indicate they support it.

Signed-off-by: Jes Sorensen <Jes.Sorensen@redhat.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2016-07-08 16:41:56 +03:00
Jes Sorensen
040b97be60 rtl8xxxu: Add support for aggregated RX packets on gen1 parts
This implements support for demuxing aggregated RX packets on gen1
devices, using the rxdesc16 format.

So far this has only been tested with rtl8723au devices.

Signed-off-by: Jes Sorensen <Jes.Sorensen@redhat.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2016-07-08 16:41:55 +03:00
Jes Sorensen
41892729cf rtl8xxxu: Correct rxdesc16 definition
This corrects the definition of rxdesc16 to correctly specify pkt_cnt
for aggregated packets. This is based on the code of the vendor
rtl8723au driver, as opposed to the struct definitions they use.

Signed-off-by: Jes Sorensen <Jes.Sorensen@redhat.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2016-07-08 16:41:55 +03:00
Jes Sorensen
2db125d4af rtl8xxxu: Obtain ieee80211_rx_status within parse_rx_desc()
When handling aggregated packets, we'll get a new ieee80211_rx_status
for each cloned skb, so passing in the pointer from the outside
doesn't make sense.

Signed-off-by: Jes Sorensen <Jes.Sorensen@redhat.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2016-07-08 16:41:54 +03:00
Jes Sorensen
a635df8a41 rtl8xxxu: Move skb delivery into parse_tx_desc() handler
This is another prepatory patch to be able to handle aggregated RX
packets.

In order to avoid adding a prototype, this also moves the
rtl8723bu_handle_c2h() function.

Signed-off-by: Jes Sorensen <Jes.Sorensen@redhat.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2016-07-08 16:41:53 +03:00
Jes Sorensen
c14ee43b8a rtl8xxxu: Set all ieee80211_rx_status values in parse_rx_desc()
This needs to be handled locally in the parse_rx_desc() function in
order to be able to handle aggregated packets in the future.

Signed-off-by: Jes Sorensen <Jes.Sorensen@redhat.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2016-07-08 16:41:53 +03:00
Joe Perches
4713bd1c74 rtlwifi: Add missing newlines to RT_TRACE calls
RT_TRACE does not add a newline to the end of a message and always
emits at KERN_DEBUG so these are susceptible to message interleaving
from other processes without the newline.

Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2016-07-08 12:58:38 +03:00
Joe Perches
9ce221915a rtlwifi: Create _rtl_dbg_trace function to reduce RT_TRACE code size
This debugging macro can expand to a lot of code.
Make it a function to reduce code size.

(x86-64 defconfig w/ all rtlwifi drivers and allyesconfig)
$ size drivers/net/wireless/realtek/rtlwifi/built-in.o*
   text	   data	    bss	    dec	    hex	filename
 900083	 200499	   1907	1102489	 10d299	drivers/net/wireless/realtek/rtlwifi/built-in.o.defconfig.new
1113597	 200499	   1907	1316003	 1414a3	drivers/net/wireless/realtek/rtlwifi/built-in.o.defconfig.old
1746879	 453503	   8512	2208894	 21b47e	drivers/net/wireless/realtek/rtlwifi/built-in.o.new
2051965	 503311	   8512	2563788	 271ecc	drivers/net/wireless/realtek/rtlwifi/built-in.o.old

Signed-off-by: Joe Perches <joe@perches.com>
Acked-by: Larry Finger <Larry.Finger@lwfinger.net>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2016-07-08 12:55:09 +03:00
Jes Sorensen
78383ac951 rtl8xxxu: Reduce console noise when removing the kernel module
USB urbs will return with a status != 0 when rmmod'ing the driver. No
need to fill the log with messages from rtl8xxxu_int_complete()

Signed-off-by: Jes Sorensen <Jes.Sorensen@redhat.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2016-07-08 12:54:24 +03:00
Luis de Bethencourt
efcb32883f rtl8xxxu: remove unneeded assignments
reg_eac and reg_ecc are only used if candidate is bigger than 0, and in
that case new values will be given to them. Removing the unused
assignments.

Signed-off-by: Luis de Bethencourt <luisbg@osg.samsung.com>
Signed-off-by: Jes Sorensen <Jes.Sorensen@redhat.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2016-07-08 12:54:23 +03:00
Larry Finger
300c32ca84 rtlwifi: rtl8821ae: Fix potential race condition
Flag rfchange_inprogress in struct rtl_ps_ctl is protected by a spinlock
in most routines but not in rtl8821ae_dm_watchdog() which could
lead to a race condition. The necessary locking to prevent this condition
is added.

Reported-by: Pavel Andrianov <andrianov@ispras.ru>
Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Cc: Pavel Andrianov <andrianov@ispras.ru>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2016-07-05 17:31:44 +03:00
Larry Finger
4f29b348bd rtlwifi: rtl8723ae: Fix potential race condition
Flag rfchange_inprogress in struct rtl_ps_ctl is protected by a spinlock
in most routines but not in rtl8723e_dm_watchdog(), which could
lead to a race condition. The necessary locking to prevent this condition
is added.

Reported-by: Pavel Andrianov <andrianov@ispras.ru>
Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Cc: Pavel Andrianov <andrianov@ispras.ru>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2016-07-05 17:31:43 +03:00
Larry Finger
31c2e76c77 rtlwifi: rtl8723be: Fix potential race condition
Flag rfchange_inprogress in struct rtl_ps_ctl is protected by a spinlock
in most routines but not in rtl8723be_dm_watchdog(), which could
lead to a race condition. The necessary locking to prevent this condition
is added.

Reported-by: Pavel Andrianov <andrianov@ispras.ru>
Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Cc: Pavel Andrianov <andrianov@ispras.ru>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2016-07-05 17:31:43 +03:00
Larry Finger
c3ae8ec4a2 rtlwifi: rtl8192ee: Fix potential race condition
Flag rfchange_inprogress in struct rtl_ps_ctl is protected by a spinlock
in most routines but not in rtl92ee_dm_watchdog(), which could
lead to a race condition. The necessary locking to prevent this condition
is added.

Reported-by: Pavel Andrianov <andrianov@ispras.ru>
Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Cc: Pavel Andrianov <andrianov@ispras.ru>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2016-07-05 17:31:42 +03:00
Larry Finger
204e2ab22e rtlwifi: rtl8188ee: Fix potential race condition
Flag rfchange_inprogress in struct rtl_ps_ctl is protected by a spinlock
in most routines but not in rtl88e_dm_watchdog(), which could
lead to a race condition. The necessary locking to prevent this condition
is added.

Reported-by: Pavel Andrianov <andrianov@ispras.ru>
Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Cc: Pavel Andrianov <andrianov@ispras.ru>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2016-07-05 17:31:41 +03:00
Larry Finger
30462b514f rtlwifi: Remove unused parameter from rtl_ps_set_rf_state()
Commit 4b9d8d67b4 ("rtlwifi: rtl8192cu: Remove unused parameter") reworked
this routine. Those changes were later reverted by commit d3feae41a3
("rtlwifi: Update power-save routines for 062814 driver").

There were two changes in commit 4b9d8d67b4. The first of these removed
a parameter from rtl_ps_set_rf_state() that was always false. This is the
change that is restored in the current patch. A second change that reworked
the locking is still being analyzed.

In addition to removing the unused parameter, there is no need for
rtl_ps_set_rf_state() to be exported.

Reported-by: Pavel Andrianov <andrianov@ispras.ru>
Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Cc: Pavel Andrianov <andrianov@ispras.ru>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2016-07-05 17:31:41 +03:00
Arnd Bergmann
08aba42fcc rtlwifi: use s8 instead of char
Compiling the rtlwifi drivers for ARM with gcc -Wextra warns about lots of
incorrect code that results from 'char' being unsigned here, e.g.

realtek/rtlwifi/rc.c:113:18: error: comparison is always true due to limited range of data type [-Werror=type-limits]
realtek/rtlwifi/rtl8188ee/dm.c:1070:22: error: comparison is always false due to limited range of data type [-Werror=type-limits]
realtek/rtlwifi/rtl8192ce/trx.c:54:16: error: comparison is always false due to limited range of data type [-Werror=type-limits]
realtek/rtlwifi/rtl8192cu/mac.c:601:16: error: comparison is always false due to limited range of data type [-Werror=type-limits]
realtek/rtlwifi/rtl8192de/trx.c:53:16: error: comparison is always false due to limited range of data type [-Werror=type-limits]
realtek/rtlwifi/rtl8192ee/phy.c:1268:12: error: comparison is always true due to limited range of data type [-Werror=type-limits]
realtek/rtlwifi/rtl8192se/rf.c:150:20: error: comparison is always false due to limited range of data type [-Werror=type-limits]
realtek/rtlwifi/rtl8723be/dm.c:877:29: error: comparison is always false due to limited range of data type [-Werror=type-limits]
realtek/rtlwifi/rtl8723be/phy.c:386:16: error: comparison is always true due to limited range of data type [-Werror=type-limits]
realtek/rtlwifi/rtl8821ae/dm.c:1514:38: error: comparison is always false due to limited range of data type [-Werror=type-limits]
realtek/rtlwifi/rtl8821ae/phy.c:1558:11: error: comparison is always false due to limited range of data type [-Werror=type-limits]
realtek/rtlwifi/rtl8821ae/phy.c:386:24: error: comparison is always false due to limited range of data type [-Werror=type-limits]
realtek/rtlwifi/rtl8821ae/trx.c:55:12: error: comparison is always false due to limited range of data type [-Werror=type-limits]
realtek/rtlwifi/stats.c:31:16: error: comparison is always false due to limited range of data type [-Werror=type-limits]

This patch changes all uses of 'char' in this driver that refer to
8-bit integers to use 's8' instead, which is signed on all architectures.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2016-06-29 18:48:15 +03:00
Andy Shevchenko
2b9c9f52dc rtl8xxxu: tuse %*ph to dump buffers
Use %*ph specifier to dump small buffers in hex format instead of doing this
byte-by-byte.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Jes Sorensen <Jes.Sorensen@redhat.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2016-06-29 18:44:32 +03:00
Jes Sorensen
08eca32ebc rtl8xxxu: Add additional documentation for RX DMA registers
This also renames REG_USB_AGG_{TO,TH} to REG_USB_AGG_{TIMEOUT,THRESH}

Signed-off-by: Jes Sorensen <Jes.Sorensen@redhat.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2016-06-29 18:44:32 +03:00
Jes Sorensen
e4ac0a8ac8 rtl8xxxu: Add bit definitions for REG_USB_SPECIAL_OPTION
Documentation for enabling USB aggregation and whether to select
interrupt or bulk delivery of interrupt events.

Signed-off-by: Jes Sorensen <Jes.Sorensen@redhat.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2016-06-29 18:44:31 +03:00
David S. Miller
dc14341ed6 wireless-drivers patches for 4.8
Major changes:
 
 ath10k
 
 * enable btcoex support without restarting firmware
 * enable ipq4019 support using AHB bus
 * add QCA9887 chipset support
 * retrieve calibration data from EEPROM, currently only for QCA9887
 
 wil6210
 
 * add pm_notify handling
 
 brcmfmac
 
 * add support for the PCIE devices 43525 and 43465
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Merge tag 'wireless-drivers-next-for-davem-2016-06-21' of git://git.kernel.org/pub/scm/linux/kernel/git/kvalo/wireless-drivers-next

Kalle Valo says:

====================
wireless-drivers patches for 4.8

Major changes:

ath10k

* enable btcoex support without restarting firmware
* enable ipq4019 support using AHB bus
* add QCA9887 chipset support
* retrieve calibration data from EEPROM, currently only for QCA9887

wil6210

* add pm_notify handling

brcmfmac

* add support for the PCIE devices 43525 and 43465
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
2016-06-23 15:40:31 -04:00
Arnd Bergmann
5345ea6a4b rtlwifi: fix error handling in *_read_adapter_info()
There are nine copies of the _rtl88ee_read_adapter_info() function,
and most but not all of them cause a build warning in some configurations:

rtl8192de/hw.c: In function '_rtl92de_read_adapter_info':
rtl8192de/hw.c:1767:12: error: 'hwinfo' may be used uninitialized in this function [-Werror=maybe-uninitialized]
rtl8723ae/hw.c: In function '_rtl8723e_read_adapter_info.constprop':
rtlwifi/rtl8723ae/hw.c:1654:12: error: 'hwinfo' may be used uninitialized in this function [-Werror=maybe-uninitialized]

The problem is that when rtlefuse->epromtype is something other than
EEPROM_BOOT_EFUSE, the rest of the function uses undefined data, resulting
in random behavior later.

Apparently, in some drivers, the problem was already found and fixed
but the fix did not make it into the others.

This picks one approach to deal with the problem and applies identical
code to all 9 files, to simplify the later consolidation of those.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Larry Finger <Larry.Finger@lwfinger.net>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2016-06-16 18:13:33 +03:00
Colin Ian King
c70410cb91 rtl8xxxu: fix typo on variable name, compare against correct variable
path_b_ok is being assigned but immediately after path_a_ok is being
compared to the value 0x03.  This appears to be a typo on the
variable name, compare path_b_ok instead.

Signed-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: Jes Sorensen <Jes.Sorensen@redhat.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2016-06-16 17:49:18 +03:00
Heinrich Schuchardt
a81605b149 rtlwifi: rtl8192ee: simplify coding
Simplify _rtl92ee_phy_path_adda_on.

Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
Acked-by: Larry Finger <Larry.Finger@lwfinger.net>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2016-06-14 17:22:34 +03:00
Heinrich Schuchardt
6b3c33e985 rtlwifi: rtl8723be: avoid undefined behavior
Do not return undefined value for transmission power
if the rate is invalid.

Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
Acked-by: Larry Finger <Larry.Finger@lwfinger.net>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2016-06-14 17:20:50 +03:00
Larry Finger
de26859dcf rtlwifi: Fix scheduling while atomic error from commit 49f86ec21c
Commit 49f86ec21c ("rtlwifi: Change long delays to sleeps") was correct
for most cases; however, driver rtl8192ce calls the affected routines while
in atomic context. The kernel bug output is as follows:

BUG: scheduling while atomic: wpa_supplicant/627/0x00000002
[...]
  [<ffffffff815c2b39>] __schedule+0x899/0xad0
  [<ffffffff815c2dac>] schedule+0x3c/0x90
  [<ffffffff815c5bb2>] schedule_hrtimeout_range_clock+0xa2/0x120
  [<ffffffff810e8b80>] ? hrtimer_init+0x120/0x120
  [<ffffffff815c5ba6>] ? schedule_hrtimeout_range_clock+0x96/0x120
  [<ffffffff815c5c43>] schedule_hrtimeout_range+0x13/0x20
  [<ffffffff815c568f>] usleep_range+0x4f/0x70
  [<ffffffffa0667218>] rtl_rfreg_delay+0x38/0x50 [rtlwifi]
  [<ffffffffa06dd0e7>] rtl92c_phy_config_rf_with_headerfile+0xc7/0xe0 [rtl8192ce]

To fix this bug, three of the changes from delay to sleep are reverted.
Unfortunately, one of the changes involves a delay of 50 msec. The calling
code will be modified so that this long delay can be avoided; however,
this change is being pushed now to fix the problem in kernel 4.6.0.

Fixes: 49f86ec21c ("rtlwifi: Change long delays to sleeps")
Reported-by: James Feeney <james@nurealm.net>
Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Cc: James Feeney <james@nurealm.net>
Cc: Stable <stable@vger.kernel.org> [4.6+]
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2016-05-27 20:53:39 +03:00
David S. Miller
56025caa82 wireless-drivers patches for 4.7
Major changes:
 
 iwlwifi
 
 * remove IWLWIFI_DEBUG_EXPERIMENTAL_UCODE kconfig option
 * work for RX multiqueue continues
 * dynamic queue allocation work continues
 * add Luca as maintainer
 * a bunch of fixes and improvements all over
 
 brcmfmac
 
 * add 4356 sdio support
 
 ath6kl
 
 * add ability to set debug uart baud rate with a module parameter
 
 wil6210
 
 * add debugfs file to configure firmware led functionality
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Merge tag 'wireless-drivers-next-for-davem-2016-05-13' of git://git.kernel.org/pub/scm/linux/kernel/git/kvalo/wireless-drivers-next

Kalle Valo says:

====================
wireless-drivers patches for 4.7

Major changes:

iwlwifi

* remove IWLWIFI_DEBUG_EXPERIMENTAL_UCODE kconfig option
* work for RX multiqueue continues
* dynamic queue allocation work continues
* add Luca as maintainer
* a bunch of fixes and improvements all over

brcmfmac

* add 4356 sdio support

ath6kl

* add ability to set debug uart baud rate with a module parameter

wil6210

* add debugfs file to configure firmware led functionality
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
2016-05-20 19:40:35 -04:00
Linus Torvalds
16bf834805 Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial
Pull trivial tree updates from Jiri Kosina.

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial: (21 commits)
  gitignore: fix wording
  mfd: ab8500-debugfs: fix "between" in printk
  memstick: trivial fix of spelling mistake on management
  cpupowerutils: bench: fix "average"
  treewide: Fix typos in printk
  IB/mlx4: printk fix
  pinctrl: sirf/atlas7: fix printk spelling
  serial: mctrl_gpio: Grammar s/lines GPIOs/line GPIOs/, /sets/set/
  w1: comment spelling s/minmum/minimum/
  Blackfin: comment spelling s/divsor/divisor/
  metag: Fix misspellings in comments.
  ia64: Fix misspellings in comments.
  hexagon: Fix misspellings in comments.
  tools/perf: Fix misspellings in comments.
  cris: Fix misspellings in comments.
  c6x: Fix misspellings in comments.
  blackfin: Fix misspelling of 'register' in comment.
  avr32: Fix misspelling of 'definitions' in comment.
  treewide: Fix typos in printk
  Doc: treewide : Fix typos in DocBook/filesystem.xml
  ...
2016-05-17 17:05:30 -07:00
wang yanqing
cf968937d2 rtlwifi: pci: use dev_kfree_skb_irq instead of kfree_skb in rtl_pci_reset_trx_ring
We can't use kfree_skb in irq disable context, because spin_lock_irqsave
make sure we are always in irq disable context, use dev_kfree_skb_irq
instead of kfree_skb is better than dev_kfree_skb_any.

This patch fix below kernel warning:
[ 7612.095528] ------------[ cut here ]------------
[ 7612.095546] WARNING: CPU: 3 PID: 4460 at kernel/softirq.c:150 __local_bh_enable_ip+0x58/0x80()
[ 7612.095550] Modules linked in: rtl8723be x86_pkg_temp_thermal btcoexist rtl_pci rtlwifi rtl8723_common
[ 7612.095567] CPU: 3 PID: 4460 Comm: ifconfig Tainted: G        W       4.4.0+ #4
[ 7612.095570] Hardware name: LENOVO 20DFA04FCD/20DFA04FCD, BIOS J5ET48WW (1.19 ) 08/27/2015
[ 7612.095574]  00000000 00000000 da37fc70 c12ce7c5 00000000 da37fca0 c104cc59 c19d4454
[ 7612.095584]  00000003 0000116c c19d4784 00000096 c10508a8 c10508a8 00000200 c1b42400
[ 7612.095594]  f29be780 da37fcb0 c104ccad 00000009 00000000 da37fcbc c10508a8 f21f08b8
[ 7612.095604] Call Trace:
[ 7612.095614]  [<c12ce7c5>] dump_stack+0x41/0x5c
[ 7612.095620]  [<c104cc59>] warn_slowpath_common+0x89/0xc0
[ 7612.095628]  [<c10508a8>] ? __local_bh_enable_ip+0x58/0x80
[ 7612.095634]  [<c10508a8>] ? __local_bh_enable_ip+0x58/0x80
[ 7612.095640]  [<c104ccad>] warn_slowpath_null+0x1d/0x20
[ 7612.095646]  [<c10508a8>] __local_bh_enable_ip+0x58/0x80
[ 7612.095653]  [<c16b7d34>] destroy_conntrack+0x64/0xa0
[ 7612.095660]  [<c16b300f>] nf_conntrack_destroy+0xf/0x20
[ 7612.095665]  [<c1677565>] skb_release_head_state+0x55/0xa0
[ 7612.095670]  [<c16775bb>] skb_release_all+0xb/0x20
[ 7612.095674]  [<c167760b>] __kfree_skb+0xb/0x60
[ 7612.095679]  [<c16776f0>] kfree_skb+0x30/0x70
[ 7612.095686]  [<f81b869d>] ? rtl_pci_reset_trx_ring+0x22d/0x370 [rtl_pci]
[ 7612.095692]  [<f81b869d>] rtl_pci_reset_trx_ring+0x22d/0x370 [rtl_pci]
[ 7612.095698]  [<f81b87f9>] rtl_pci_start+0x19/0x190 [rtl_pci]
[ 7612.095705]  [<f81970e6>] rtl_op_start+0x56/0x90 [rtlwifi]
[ 7612.095712]  [<c17e3f16>] drv_start+0x36/0xc0
[ 7612.095717]  [<c17f5ab3>] ieee80211_do_open+0x2d3/0x890
[ 7612.095725]  [<c16820fe>] ? call_netdevice_notifiers_info+0x2e/0x60
[ 7612.095730]  [<c17f60bd>] ieee80211_open+0x4d/0x50
[ 7612.095736]  [<c16891b3>] __dev_open+0xa3/0x130
[ 7612.095742]  [<c183fa53>] ? _raw_spin_unlock_bh+0x13/0x20
[ 7612.095748]  [<c1689499>] __dev_change_flags+0x89/0x140
[ 7612.095753]  [<c127c70d>] ? selinux_capable+0xd/0x10
[ 7612.095759]  [<c1689589>] dev_change_flags+0x29/0x60
[ 7612.095765]  [<c1700b93>] devinet_ioctl+0x553/0x670
[ 7612.095772]  [<c12db758>] ? _copy_to_user+0x28/0x40
[ 7612.095777]  [<c17018b5>] inet_ioctl+0x85/0xb0
[ 7612.095783]  [<c166e647>] sock_ioctl+0x67/0x260
[ 7612.095788]  [<c166e5e0>] ? sock_fasync+0x80/0x80
[ 7612.095795]  [<c115c99b>] do_vfs_ioctl+0x6b/0x550
[ 7612.095800]  [<c127c812>] ? selinux_file_ioctl+0x102/0x1e0
[ 7612.095807]  [<c10a8914>] ? timekeeping_suspend+0x294/0x320
[ 7612.095813]  [<c10a256a>] ? __hrtimer_run_queues+0x14a/0x210
[ 7612.095820]  [<c1276e24>] ? security_file_ioctl+0x34/0x50
[ 7612.095827]  [<c115cef0>] SyS_ioctl+0x70/0x80
[ 7612.095832]  [<c1001804>] do_fast_syscall_32+0x84/0x120
[ 7612.095839]  [<c183ff91>] sysenter_past_esp+0x36/0x55
[ 7612.095844] ---[ end trace 97e9c637a20e8348 ]---

Signed-off-by: Wang YanQing <udknight@gmail.com>
Cc: Stable <stable@vger.kernel.org>
Acked-by: Larry Finger <Larry.Finger@lwfinger.net>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2016-05-11 21:59:04 +03:00
wang yanqing
976aff5fc9 rtlwifi: Remove double check for cnt_after_linked
rtl_lps_enter does two successive check for cnt_after_linked
to make sure some time has elapsed after linked. The second
check isn't necessary, because if cnt_after_linked is bigger
than 5, it is bigger than 2 of course!

This patch remove the second check code.

Signed-off-by: Wang YanQing <udknight@gmail.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2016-05-11 21:55:31 +03:00
Dan Carpenter
2f8514b8b0 rtlwifi: rtl818x: silence uninitialized variable warning
What about if "rtlphy->pwrgroup_cnt" is 2?  In that case we would use an
uninitialized "chnlgroup" variable and probably crash.  Maybe that can't
happen for some reason which is not obvious but in that case this patch
is harmless.

Setting it to zero seems like a standard default in the surrounding code
so it's probably fine here as well.

Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2016-05-11 21:51:45 +03:00
wang yanqing
873ffe154a rtlwifi: Fix logic error in enter/exit power-save mode
In commit a269913c52 ("rtlwifi: Rework rtl_lps_leave() and
rtl_lps_enter() to use work queue"), the tests for enter/exit
power-save mode were inverted. With this change applied, the
wifi connection becomes much more stable.

Fixes: a269913c52 ("rtlwifi: Rework rtl_lps_leave() and rtl_lps_enter() to use work queue")
Signed-off-by: Wang YanQing <udknight@gmail.com>
CC: Stable <stable@vger.kernel.org> [3.10+]
Acked-by: Larry Finger <Larry.Finger@lwfinger.net>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2016-05-11 21:44:07 +03:00
Julia Lawall
1bfcfdcca1 rtlwifi: rtl818x: constify rtl_intf_ops structures
The rtl_intf_ops structures are never modified, so declare them as const.

Done with the help of Coccinelle.

Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2016-05-11 21:41:55 +03:00
Jes Sorensen
e1ca790c8a rtl8xxxu: Remove the now obsolete mbox_ext_reg info from rtl8xxxu_fileops
With two different h2c_cmd() functions, mbox_ext_reg and
mbox_ext_width are no longer needed.

Signed-off-by: Jes Sorensen <Jes.Sorensen@redhat.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2016-05-03 13:07:24 +03:00
Jes Sorensen
27c7e89ea7 rtl8xxxu: rtl8xxxu_prepare_calibrate() is never used on gen1
Rename it to rtl8xxxu_gen2_prepare_calibrate() and remove the calls to
it from rtl8xxxu_gen1_phy_iq_calibrate()

Signed-off-by: Jes Sorensen <Jes.Sorensen@redhat.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2016-05-03 13:07:23 +03:00
Jes Sorensen
9c0343d4f4 rtl8xxxu: Split rtl8723a_h2c_cmd() into a gen1 and a gen2 version
The H2C API is completely different between gen1 and gen2 parts, so
there is little point trying to treat this as a generic function. All
calls to *_h2c_cmd() will always come from a gen1 or a gen2 specific
function.

Signed-off-by: Jes Sorensen <Jes.Sorensen@redhat.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2016-05-03 13:07:22 +03:00
Jes Sorensen
993dd9b425 rtl8xxxu: Rename rtl8723a_disabled_to_emu() to rtl8xxxu_disabled_to_emu()
This function is generic to most of the chips, so change the name to
reflect this.

Signed-off-by: Jes Sorensen <Jes.Sorensen@redhat.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2016-05-03 13:07:21 +03:00
Jes Sorensen
a46b099ca7 rtl8xxxu: rename rtl8723a_channel_group() to rtl8xxxu_gen1_channel_to_group()
This function is generic for most (if not all) gen1 parts, so rename
it to reflect this.

Signed-off-by: Jes Sorensen <Jes.Sorensen@redhat.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2016-05-03 13:07:20 +03:00
Jes Sorensen
97db5a87b0 rtl8xxxu: Rename rtl8723a_stop_tx_beacon() to rtl8xxxu_stop_tx_beacon()
There is nothing 8723au specific about this function, so rename it to
reflect this.

Signed-off-by: Jes Sorensen <Jes.Sorensen@redhat.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2016-05-03 13:07:19 +03:00
Jes Sorensen
181725dd4f rtl8xxxu: move rtl8188[cr] and rtl8192c related code into rtl8xxxu_8192c.c
This moves the code for rtl8188c, rtl8188r, and rtl8192c into it's own
file. This is purely a code moving exercise, there is no change to the
code itself.

Signed-off-by: Jes Sorensen <Jes.Sorensen@redhat.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2016-05-03 13:07:18 +03:00
Jes Sorensen
20e3b2e97e rtl8xxxu: move rtl8723a related code into rtl8xxxu_8723a.c
This moves the rtl8723a code into it's own file. This is purely a code
moving exercise, no code changes.

This device specific file is a lot smaller since the gen1 chips
(8723a, 8188c, 8188r, 8192c) share a lot more common code than the
gen2 chips.

Signed-off-by: Jes Sorensen <Jes.Sorensen@redhat.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2016-05-03 13:07:17 +03:00
Jes Sorensen
6c46ca3b5f rtl8xxxu: move rtl8723b related code into rtl8xxxu_8723b.c
This moves the rtl8723b code into it's own file. This is purely a code
moving exercise, no functional changes. This did expose
rtl723a_h2c_cmd() as a function that should be refactored into a gen1
and a gen2 version.

Signed-off-by: Jes Sorensen <Jes.Sorensen@redhat.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2016-05-03 13:07:15 +03:00
Jes Sorensen
599119f683 rtl8xxxu: move rtl8192e related code into rtl8xxxu_8192e.c
This moves the rtl8192e code into it's own file. This is purely a code
moving exercise, no code changes.

Signed-off-by: Jes Sorensen <Jes.Sorensen@redhat.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2016-05-03 13:07:14 +03:00
Jes Sorensen
6c60e65cd0 rtl8xxxu: Rename rtl8xxxu.c to rtl8xxxu_core.c
This renames the core file to rtl8xxxu_core.c in order to allow us to
keep the module nake rtl8xxxu.ko when refactoring the code into
multiple files.

Signed-off-by: Jes Sorensen <Jes.Sorensen@redhat.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2016-05-03 13:07:10 +03:00
Denys Vlasenko
aae555d302 rtlwifi: rtl818x: Deinline indexed IO functions, save 21568 bytes
rtl818x_ioread8_idx: 151 bytes, 29 calls
rtl818x_ioread16_idx: 151 bytes, 11 calls
rtl818x_ioread32_idx: 151 bytes, 5 calls
rtl818x_iowrite8_idx: 157 bytes, 117 calls
rtl818x_iowrite16_idx: 158 bytes, 74 calls
rtl818x_iowrite32_idx: 157 bytes, 22 calls

Each of these functions has a pair of mutex lock/unlock ops,
both of these ops perform atomic updates of memory (on x86, it boils down to
"lock cmpxchg %reg,mem" insn), which are 4-8 times more expensive than call+return.

    text     data      bss       dec     hex filename
95894242 20860288 35991552 152746082 91ab862 vmlinux_before
95872674 20860320 35991552 152724546 91a6442 vmlinux

Signed-off-by: Denys Vlasenko <dvlasenk@redhat.com>
CC: Larry Finger <Larry.Finger@lwfinger.net>
CC: Chaoming Li <chaoming_li@realsil.com.cn>
CC: linux-wireless@vger.kernel.org
CC: linux-kernel@vger.kernel.org
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2016-05-03 13:05:14 +03:00
David S. Miller
ede00a5ceb wireless-drivers patches for 4.7
Major changes:
 
 brcmfmac
 
 * add support for nl80211 BSS_SELECT feature
 
 mwifiex
 
 * add platform specific wakeup interrupt support
 
 ath10k
 
 * implement set_tsf() for 10.2.4 branch
 * remove rare MSI range support
 * remove deprecated firmware API 1 support
 
 ath9k
 
 * add module parameter to invert LED polarity
 
 wcn36xx
 
 * fixes to get the driver properly working on Dragonboard 410c
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Merge tag 'wireless-drivers-next-for-davem-2016-05-02' of git://git.kernel.org/pub/scm/linux/kernel/git/kvalo/wireless-drivers-next

Kalle Valo says:

====================
wireless-drivers patches for 4.7

Major changes:

brcmfmac

* add support for nl80211 BSS_SELECT feature

mwifiex

* add platform specific wakeup interrupt support

ath10k

* implement set_tsf() for 10.2.4 branch
* remove rare MSI range support
* remove deprecated firmware API 1 support

ath9k

* add module parameter to invert LED polarity

wcn36xx

* fixes to get the driver properly working on Dragonboard 410c
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
2016-05-03 00:35:16 -04:00
Jes Sorensen
04a74a9f8a rtl8xxxu: Rename rtl8723au_iqk_phy_iq_bb_reg
There is nothing 8723au specific about rtl8723au_iqk_phy_iq_bb_reg so
rename the array to rtl8xxxu_iqk_phy_iq_bb_reg.

Signed-off-by: Jes Sorensen <Jes.Sorensen@redhat.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2016-04-26 12:26:54 +03:00
Jes Sorensen
85f466350a rtl8xxxu: Rename rtl8723bu_simularity_compare()
This renames rtl8723bu_simularity_compare() to
rtl8xxxu_gen2_simularity_compare() to reflect it is used for all gen2
parts.

Signed-off-by: Jes Sorensen <Jes.Sorensen@redhat.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2016-04-26 12:26:53 +03:00
Jes Sorensen
5ac7414548 rtl8xxxu: Rename rtl8723b_channel_to_group()
This renames rtl8723b_channel_to_group() to
rtl8xxxu_gen2_channel_to_group() to reflect it is used by all
currently supported gen2 parts.

Signed-off-by: Jes Sorensen <Jes.Sorensen@redhat.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2016-04-26 12:26:52 +03:00
Jes Sorensen
8db71451e5 rtl8xxxu: Rename rtl8723a_mac_init_table to rtl8xxxu_gen1_mac_init_table
All currently supported gen1 parts use the same mac_init_table, so
rename it to reflect this.

Signed-off-by: Jes Sorensen <Jes.Sorensen@redhat.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2016-04-26 12:26:51 +03:00
Jes Sorensen
8396a41cf7 rtl8xxxu: Rename rtl8723a_enable_rf() to rtl8xxxu_gen1_enable_rf()
All gen1 parts use the same enable_rf() function, so rename it to
reflect this.

Signed-off-by: Jes Sorensen <Jes.Sorensen@redhat.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2016-04-26 12:26:50 +03:00
Jes Sorensen
42a3bc7a2a rtl8xxxu: Rename rtl8723a_set_tx_power() to rtl8xxxu_gen1_set_tx_power()
All gen1 parts use the same interface for setting TX power, so rename
the function to reflect this.

Signed-off-by: Jes Sorensen <Jes.Sorensen@redhat.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2016-04-26 12:26:50 +03:00
Jes Sorensen
de7c189c34 rtl8xxxu: Rename rtl8723au_init_phy_bb() to rtl8xxxu_gen1_init_phy_bb()
All gen1 parts use the same init_phy_bb() function, so rename it to
reflect this.

Signed-off-by: Jes Sorensen <Jes.Sorensen@redhat.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2016-04-26 12:26:49 +03:00
Jes Sorensen
28466e9214 rtl8xxxu: Rename rtl8723au_phy_iq_calibrate() to rtl8xxxu_gen1_phy_iq_calibrate()
All supported gen1 parts use the same phy_iq_calibrate() function
(unlike their gen2 counterparts). Rename the function to reflect this.

Signed-off-by: Jes Sorensen <Jes.Sorensen@redhat.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2016-04-26 12:26:48 +03:00
Jes Sorensen
c6e39da02e rtl8xxxu: Rename rtl8723au_update_rate_mask() to rtl8xxxu_update_rate_mask()
All currently supported gen1 parts use the same function for updating
the rate mask, so rename it to reflect this.

Signed-off-by: Jes Sorensen <Jes.Sorensen@redhat.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2016-04-26 12:26:47 +03:00
Jes Sorensen
e09718c2fd rtl8xxxu: Rename rtl8723au_config_channel() to rtl8xxxu_gen1_config_channel()
All supported gen1 parts use the same config_channel() function, so
rename it to reflect this.

Signed-off-by: Jes Sorensen <Jes.Sorensen@redhat.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2016-04-26 12:26:46 +03:00
Jes Sorensen
7eb1400c24 rtl8xxxu: Rename rtl8723a_disable_rf() to rtl8xxxu_gen1_disable_rf()
All currently supported gen1 parts use the same disable_rf() routine,
so rename the function to reflect that.

Signed-off-by: Jes Sorensen <Jes.Sorensen@redhat.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2016-04-26 12:26:45 +03:00
Jes Sorensen
6a07b7915a rtl8xxxu: Rename rtl8723b_disable_rf() to rtl8xxxu_gen2_disable_rf()
At least for now, all gen2 parts use the same disable_rf() function

Signed-off-by: Jes Sorensen <Jes.Sorensen@redhat.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2016-04-26 12:26:45 +03:00
Jes Sorensen
3a56bf6aa1 rtl8xxxu: Rename rtl8723bu_config_channel() to rtl8xxxu_gen2_config_channel()
Rename the function to indicate it is applicable to most/all gen2
parts.

Signed-off-by: Jes Sorensen <Jes.Sorensen@redhat.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2016-04-26 12:26:44 +03:00
Jes Sorensen
beb5531619 rtl8xxxu: Rename rtl8723au_report_connect() to rtl8xxxu_gen1_report_connect()
Rename the function to reflect it is for all/most gen1 parts.

Signed-off-by: Jes Sorensen <Jes.Sorensen@redhat.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2016-04-26 12:26:43 +03:00
Jes Sorensen
32353a784f rtl8xxxu: Rename rtl8723bu_report_connect() to rtl8xxxu_gen2_report_connect()
Make the name reflect this is for most/all gen2 parts.

Signed-off-by: Jes Sorensen <Jes.Sorensen@redhat.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2016-04-26 12:26:42 +03:00