Commit Graph

18478 Commits

Author SHA1 Message Date
Gabor Juhos
733aec6a5b rt2x00: rt2800lib: fix default VGC values for RT3572 for the 5GHz band
The rt2x00 driver uses 0x22 as a default VGC value
in VGC adjustment for the RT3572 chipset. In the
Ralink DPO_RT5572_LinuxSTA_2.6.1.3_20121022 driver,
this value is only used for initialization. During
VGC adjustment, the reference driver uses different
values.

Update the 'rt2800_get_default_vgc' function to
synchronize the values with the reference driver.
Also add the missing AGC initialization code into
the 'rt2800_config_channel' function.

References:
  RT35xx_SetAGCInitValue in chip/rt35xx.c
  RT35xx_ChipAGCAdjust in chip/rt35xx.c

Signed-off-by: Gabor Juhos <juhosg@openwrt.org>
Acked-by: Stanislaw Gruszka <stf_xl@wp.pl>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2013-10-10 13:49:28 -04:00
Gabor Juhos
271f1a4d70 rt2x00: rt2800lib: fix VGC programming for RT3572 and RT3593
According to the DPO_RT5572_LinuxSTA_2.6.1.3_20121022
reference driver, programming of the 'BBP 66' register
on the RT3572 and RT3593 chipsets must be done via the
'rt2800_bbp_write_with_rx_chain' function. This ensures
that value is correclty set for all RX chains.

References:
  RT35xx_ChipAGCAdjust and RT35xx_SetAGCInitValue functions
  in chips/rt35xx.c

Signed-off-by: Gabor Juhos <juhosg@openwrt.org>
Acked-by: Stanislaw Gruszka <stf_xl@wp.pl>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2013-10-10 13:48:06 -04:00
Gabor Juhos
0ffd2a9a44 rt2x00: rt2800lib: fix default VGC values for RT3593
Update the rt2800_get_default_vgc function to use the same VGC
values that the DPO_RT5572_LinuxSTA_2.6.1.3_20121022 reference
driver uses.

References:
  RT35xx_ChipAGCAdjust in chips/rt35xx.c
  RT3593_R66_MID_LOW_SENS_GET macro in include/chip/rt3593.h
  RT3593_R66_NON_MID_LOW_SEMS_GET macro in include/chips/rt3593.h

Signed-off-by: Gabor Juhos <juhosg@openwrt.org>
Acked-by: Stanislaw Gruszka <stf_xl@wp.pl>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2013-10-10 13:48:06 -04:00
Gabor Juhos
cdabcb2bd9 rt2x00: rt2800lib: remove TXPOWER_DELTA entry from extended EEPROM map
The TXPOWER_DELTA field of the regular EEPROM
stores the TX power compensation value for HT40.
The extended EEPROM has no such field, it stores
separate TX power values for HT20 and for HT40.

Signed-off-by: Gabor Juhos <juhosg@openwrt.org>
Acked-by: Paul Menzel <paulepanter@users.sourceforge.net>
Acked-by: Stanislaw Gruszka <stf_xl@wp.pl>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2013-10-10 13:46:01 -04:00
Gabor Juhos
a750db9e5c rt2x00: rt2800lib: remove TXMIXER_GAIN entries from the extended EEPROM map
The comments are indicating that the TXMIXER_GAIN_BG
and TXMIXED_GAIN_A entries are overlapping with the
RSSI_BG2 and RSSI_A2 entries in the extended EEPROM
map. This is not correct, because the upper byte of
the RSSI_BG2 and RSSI_A2 entries are reserved. There
are no TX mixer gain values are stored at all in the
extended EEPROM.

Remove the initialization of these entries from the
extended EEPROM map to reflect this.

Signed-off-by: Gabor Juhos <juhosg@openwrt.org>
Acked-by: Paul Menzel <paulepanter@users.sourceforge.net>
Acked-by: Stanislaw Gruszka <stf_xl@wp.pl>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2013-10-10 13:46:01 -04:00
Hauke Mehrtens
7d9b3589df brcmsmac: add support for a BCM4313 with PCI id 0x4313
There are some BCM4313 out there with a PCI id of 0x4313. These devices
are missing a sprom and are only used on routers or other embedded
devices. We found one connected to a BCM63XX SoC.

This devices was found by someone in this ticket:
https://dev.openwrt.org/ticket/13551

Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2013-10-10 13:46:00 -04:00
Felipe Balbi
9f55c62013 net: wireless: wl1251: update firmware path
TI firmwares are located under ti-connectivity
directory. Update path to make sure driver can
find and load firmware blob.

Signed-off-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2013-10-10 13:46:00 -04:00
Kirill Tkhai
21cf502a28 rt2x00_pci: Fix interrupt handler name (visible at /proc/interrupts)
Currently driver name is wrong. PCI device address is visible at
/proc/interrupts instead of the name:

 43:    124      0      0      0   PCI-MSI-edge    rtsx_pci
 44:    384      0      0      0   PCI-MSI-edge    snd_hda_intel
 45:  25096      0      0      0   PCI-MSI-edge    0000:01:00.0
                                                   ^^^^^^^^^^^^

So, pass the right name. rt2x00_ops->name contains KBUILD_MODNAME
and good for that, so pass it.

Handler names will be "rt2500pci", "rt2500pci" etc.

Signed-off-by: Kirill Tkhai <tkhai@yandex.ru>
CC: Ivo van Doorn <IvDoorn@gmail.com>
CC: Gertjan van Wingerde <gwingerde@gmail.com>
CC: Helmut Schaa <helmut.schaa@googlemail.com>
CC: linux-wireless@vger.kernel.org
Acked-by: Stanislaw Gruszka <sgruszka@redhat.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2013-10-10 13:43:35 -04:00
Eugene Krasnikov
8e84c25821 wcn36xx: mac80211 driver for Qualcomm WCN3660/WCN3680 hardware
This is a mac80211 driver for Qualcomm WCN3660/WCN3680 devices. So
far WCN3660/WCN3680 is available only on MSM platform.

Firmware can be found here:
https://www.codeaurora.org/cgit/external/hisense/platform/vendor/qcom-opensource/wlan/prima/tree/firmware_bin?h=8130_CS

Wiki page is available here:
http://wireless.kernel.org/en/users/Drivers/wcn36xx

A lot people made a contribution to this driver. Here is the list in
alphabetical order:

Eugene Krasnikov <k.eugene.e@gmail.com>
Kalle Valo <kvalo@qca.qualcomm.com>
Olof Johansson <dev@skyshaper.net>
Pontus Fuchs <pontus.fuchs@gmail.com>
Yanbo Li <yanbol@qti.qualcomm.com>

Signed-off-by: Eugene Krasnikov <k.eugene.e@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2013-10-10 13:43:35 -04:00
Peter Senna Tschudin
c856197d6e mwifiex: Change variable type to bool
The variables cancel_scan_cmd, enable_data, hs_activate and valid are
only assigned the values true and false. Change its type to bool.

The simplified semantic patch that find this problem is as
follows (http://coccinelle.lip6.fr/):

@exists@
type T;
identifier b;
@@
- T
+ bool
  b = ...;
  ... when any
  b = \(true\|false\)

Signed-off-by: Peter Senna Tschudin <peter.senna@gmail.com>
Acked-by: Bing Zhao <bzhao@marvell.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2013-10-10 13:41:37 -04:00
Fengguang Wu
e05634ee6c ath10k: remove unneded semicolon from ath10k_core_fetch_firmware_api_n()
drivers/net/wireless/ath/ath10k/core.c:507:2-3: Unneeded semicolon

 Removes unneeded semicolon.

Generated by: coccinelle/misc/semicolon.cocci

Signed-off-by: Fengguang Wu <fengguang.wu@intel.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
2013-10-09 17:16:15 +03:00
Kalle Valo
60631c5c10 ath10k: fix ath10k_debug_start() locking
ath10k_debug_start() was not called with conf_mutex, fix that. Also there was a
deadlock in ath10k_debug_stop(), rename it to ath10k_debug_destroy() and call
it only when the device is destroyed.

Reported-by: Mohammed Shafi Shajakhan <mohammed@qca.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
2013-10-09 17:14:55 +03:00
David S. Miller
53af53ae83 Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Conflicts:
	include/linux/netdevice.h
	net/core/sock.c

Trivial merge issues.

Removal of "extern" for functions declaration in netdevice.h
at the same time "const" was added to an argument.

Two parallel line additions in net/core/sock.c

Signed-off-by: David S. Miller <davem@davemloft.net>
2013-10-08 23:07:53 -04:00
Sujith Manoharan
a24b88b560 ath10k: Fix bug in max. VHT A-MPDU size
For VHT peers, the maximum A-MPDU size has to be calculated
from the VHT capabilities element and not the HT-cap. The formula
is the same, but a higher value is used in VHT, allowing larger
aggregates to be transmitted.

The patch contains a workaround for some Netgear/Linksys APs that
report Rx A-MPDU factor incorrectly.

Tested-by: Kalle Valo <kvalo@qca.qualcomm.com>
Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com>
Signed-off-by: Michal Kazior <michal.kazior@tieto.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
2013-10-08 22:10:22 +03:00
Michal Kazior
0d1a28f241 ath10k: fix RX performance when using AP 10.X FW
Due to oversight AP 10.X support was merged with
Ethernet RX decap mode.

Only Native Wifi RX decap mode guarantees IP
header is properly aligned and avoids sk_buff data
realignment (which is very expensive
performance-wise) in mac80211.

Signed-off-by: Michal Kazior <michal.kazior@tieto.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
2013-10-08 15:22:33 +03:00
Michal Kazior
9bab1cc010 ath10k: fix possible memory leak in new FW loading
Some failpaths did `return` instead of a `goto`
leaking requested firmware.

Signed-off-by: Michal Kazior <michal.kazior@tieto.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
2013-10-08 15:13:53 +03:00
Michal Kazior
fd9c4864a7 ath10k: fix printf format string
size_t corresponds to %zu not %d. Compiler was
complaining about it.

Signed-off-by: Michal Kazior <michal.kazior@tieto.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
2013-10-08 15:13:53 +03:00
David S. Miller
7009deab19 Merge git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-next
Conflicts:
	drivers/net/wireless/brcm80211/brcmfmac/dhd_bus.h
	drivers/net/wireless/rtlwifi/rtl8188ee/phy.h
	drivers/net/wireless/rtlwifi/rtl8192ce/phy.h
	drivers/net/wireless/rtlwifi/rtl8192de/phy.h
	drivers/net/wireless/rtlwifi/rtl8723ae/phy.h

Just some minor conflicts between the wireless-next changes
and Joe Perches's "extern" removal from function prototypes
in header files.

John W. Linville says:

====================
Regarding the Bluetooth bits, Gustavo says:

"The big work here is from Marcel and Johan. They did a lot of work
in the L2CAP, HCI and MGMT layers. The most important ones are the
addition of a new MGMT command to enable/disable LE advertisement
and the introduction of the HCI user channel to allow applications
to get directly and exclusive access to Bluetooth devices."

As to the ath10k bits, Kalle says:

"Bartosz dropped support for qca98xx hw1.0 hardware from ath10k, it's
just too much to support it. Michal added support for the new firmware
interface. Marek fixed WEP in AP and IBSS mode. Rest of the changes are
minor fixes or cleanups."

And also:

"Major changes are:

* throughput improvements including aligning the RX frames correctly and
  optimising HTT layer (Michal)

* remove qca98xx hw1.0 support (Bartosz)

* add support for firmware version 999.999.0.636 (Michal)

* firmware htt statistics support (Kalle)

* fix WEP in AP and IBSS mode (Marek)

* fix a mutex unlock balance in debugfs file (Shafi)

And of course there's a lot of smaller fixes and cleanup."

For the wl12xx bits, Luca says:

"Here are some patches intended for 3.13.  Eliad is upstreaming a bunch
of patches that have been pending in the internal tree.  Mostly bugfixes
and other small improvements."

Along with that...

Arend and friends bring us a batch of brcmfmac updates, Larry Finger
offers some rtlwifi refactoring, and Sujith sends the usual batch of
ath9k updates.  As usual, there are a number of other small updates
from a variety of players as well.
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
2013-10-07 15:40:44 -04:00
Johannes Berg
d107babca2 iwlwifi: pcie: fix merge damage
The merge b35c8097 seems to have lost commit eabc4ac5d,
put the code back.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2013-10-07 13:34:43 -04:00
Felix Fietkau
ec30326ea7 ath9k: fix tx queue scheduling after channel changes
Otherwise, if queues are full during a scan, tx scheduling does not
resume after switching back to the home channel.

Cc: stable@vger.kernel.org
Signed-off-by: Felix Fietkau <nbd@openwrt.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2013-10-07 13:34:43 -04:00
John W. Linville
c1a305abf7 Merge branch 'for-john' of git://git.kernel.org/pub/scm/linux/kernel/git/iwlwifi/iwlwifi-fixes 2013-10-07 13:25:18 -04:00
Michal Kazior
3efcb3b40c ath10k: remove num_sends_allowed
The value provided by num_sends_allowed is now
derived from CE source ringbuffer state.

Signed-off-by: Michal Kazior <michal.kazior@tieto.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
2013-10-07 15:28:02 +03:00
Michal Kazior
2e761b5a52 ath10k: remove ce_sendlist_send
It is completely pointless to keep this function
around. It doesn't do anything different than
ce_send except it introduces more overhead.

Signed-off-by: Michal Kazior <michal.kazior@tieto.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
2013-10-07 15:28:02 +03:00
Michal Kazior
ddb6ad77b4 ath10k: split vdev_id calculation from tx function
Tidy up ath10k_tx().

Signed-off-by: Michal Kazior <michal.kazior@tieto.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
2013-10-07 15:28:02 +03:00
Michal Kazior
42c3aa6f6a ath10k: split tid calculation from tx function
Tidy up ath10k_tx().

Signed-off-by: Michal Kazior <michal.kazior@tieto.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
2013-10-07 15:28:01 +03:00
Bartosz Markowski
c322892fa7 ath10k: extend the max_scan time
It was observed few times, the artificial max_scan limit we
are using mainly to detect FW hangs, can be not enough for
instance while being associated and during heavy traffic.

What we do if the FW won't return with scan results within
the max_time time is a scan abort.

This is especially visible with 10.X fw which in combination
with dual band HW (scanning 32 channels) can end up with
hw_scan close to 10 seconds.

Signed-off-by: Bartosz Markowski <bartosz.markowski@tieto.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
2013-10-07 15:23:53 +03:00
Bartosz Markowski
8acd3c97ff ath10k: enable 10.x firmware branch support
Since the WMI API has been added and we can detect from the
FW IEs what firmware variant we deal with, turn on support
for 10.x firmware branch in ath10k_wmi_attach().

kvalo: improve the commit log

Signed-off-by: Bartosz Markowski <bartosz.markowski@tieto.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
2013-10-07 15:22:06 +03:00
Xose Vazquez Perez
274dede8c5 wireless: rt2x00: rt2800usb: add new devices
0411,0241  RT5572  BUFFALO WI-U2-300D Wireless LAN Adapter
0789,0170  RT3572  Logitec LAN-W300AN/U2
0846,9013  RT3573  NETGEAR Adaptador USB Inalambrico Movistar
0df6,006e  RT3573  Sitecom WiFi USB adapter N900
2001,3c1f  RT3573  D-Link DWA-162 Wireless N900 Dual Band Adapter
2001,3c20  RT5372  D-Link DWA-140 Wireless N USB Adapter(rev.D)
2001,3c21  RT5572  D-Link DWA-160 Xtreme N Dual Band USB Adapter(rev.C)
2001,3c22  RT5372  D-Link DWA-132 Wireless N USB Adapter(rev.B)
2001,3c23  RT5372  D-Link GO-USB-N300 Wireless N Easy USB Adapter
2019,ab29  ?       Planex GW-USMirco300
20f4,724a  RT5572  TRENDnet N600 Wireless Dual Band USB Adapter

Cc: Ivo van Doorn <IvDoorn@gmail.com>
Cc: Gertjan van Wingerde <gwingerde@gmail.com>
Cc: Helmut Schaa <helmut.schaa@googlemail.com>
Cc: John W. Linville <linville@tuxdriver.com>
Cc: users@rt2x00.serialmonkey.com
Cc: linux-wireless@vger.kernel.org
Signed-off-by: Xose Vazquez Perez <xose.vazquez@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2013-10-03 16:57:34 -04:00
Larry Finger
d41200ad5f rtlwifi: rtl8188ee: Convert driver to use new rtl_phy_scan_operation_backup() routine
Now that rtl_phy_scan_operation_backup() exists, convert rtl8188ee to use it.
Routine rtl88e_phy_scan_operation_backup() is no longer used and is removed.

Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2013-10-03 16:40:02 -04:00
Larry Finger
3fc0165657 rtlwifi: rtl8723ae: Convert driver to use new rtl_phy_scan_operation_backup() routine
Now that rtl_phy_scan_operation_backup() exists, convert rtl8723ae to use it.
Routine rtl8723ae_phy_scan_operation_backup() is no longer used and is removed.

Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2013-10-03 16:39:09 -04:00
Larry Finger
6483033ad8 rtlwifi: rtl8192ce: Convert driver to use new rtl_phy_scan_operation_backup() routine
Now that rtl_phy_scan_operation_backup() exists, convert rtl8192de to use it.
Routine rtl92d_phy_scan_operation_backup() is no longer used and is removed.

Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2013-10-03 16:37:57 -04:00
Larry Finger
0d1cdce2f5 rtlwifi: rtl8192c: Remove rtl8192c_phy_scan_operation_backup()
Drivers rtl8192ce and rtl8192cu no longer rely on this routine. It is removed.

Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2013-10-03 16:36:51 -04:00
Larry Finger
3764eb72a5 rtlwifi: rtl8192ce: Convert driver to use new rtl_phy_scan_operation_backup() routine
Now that rtl_phy_scan_operation_backup() exists, convert rtl8192ce to use it.

Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2013-10-03 16:36:51 -04:00
Larry Finger
5784935dd7 rtlwifi: rtl8192cu: Convert to use new rtl_phy_scan_operation_backup() routine
Now that the routine exists in driver rtlwifi, convert rtl8192cu to use it.

Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2013-10-03 16:24:30 -04:00
Larry Finger
4f4826da8c rtlwifi: Implement a common rtl_phy_scan_operation_backup() routine
Several of the drivers supported by rtlwifi individually implement the same
routine that supports scans. As a first step, create this routine in
driver rtlwifi.

Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2013-10-03 16:24:30 -04:00
Larry Finger
c6d3729984 rtlwifi: Remove all remaining references to variable 'noise' in rtl_stats struct
This completes removal of all places that reference variable 'noise'
in the rtl_stats struct. The definition of the struct is unchanged.

Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2013-10-03 16:24:29 -04:00
Larry Finger
dab3df5e88 rtlwifi: rtl8188ee: Fix smatch warning in rtl8188ee/hw.c
Smatch lists the following:
  CHECK   drivers/net/wireless/rtlwifi/rtl8188ee/hw.c
drivers/net/wireless/rtlwifi/rtl8188ee/hw.c:149 _rtl88ee_set_fw_clock_on() info: ignoring unreachable code.
drivers/net/wireless/rtlwifi/rtl8188ee/hw.c:149 _rtl88ee_set_fw_clock_on() info: ignoring unreachable code.

This info message is the result of a real error due to a missing break statement
in a "while (1)" loop.

Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Cc: Stable <stable@vger.kernel.org> [3.10+]
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2013-10-03 16:24:29 -04:00
Larry Finger
354d0f3c40 rtlwifi: Fix smatch warnings in usb.c
Smatch displays the following:
  CHECK   drivers/net/wireless/rtlwifi/usb.c
drivers/net/wireless/rtlwifi/usb.c:458 _rtl_usb_rx_process_agg() warn: assigning (-98) to unsigned variable 'stats.noise'
drivers/net/wireless/rtlwifi/usb.c:503 _rtl_usb_rx_process_noagg() warn: assigning (-98) to unsigned variable 'stats.noise'
drivers/net/wireless/rtlwifi/usb.c:596 _rtl_rx_get_padding() info: ignoring unreachable code.
drivers/net/wireless/rtlwifi/usb.c:596 _rtl_rx_get_padding() info: ignoring unreachable code.

The variable 'stats.noise' is not used, thus the initializers are removed.
The unreachable code info is fixed by including the appropriate section inside
#ifdef .. #endif constructions.

Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2013-10-03 16:24:29 -04:00
Larry Finger
a3557d4d48 rtlwifi: Fix smatch warning in pci.c
Smatch reports the following:
  CHECK   drivers/net/wireless/rtlwifi/pci.c
drivers/net/wireless/rtlwifi/pci.c:739 _rtl_pci_rx_interrupt() warn: assigning (-98) to unsigned variable 'stats.noise'

The variable 'stats.noise' is not used. That initializer is removed.

Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2013-10-03 16:24:28 -04:00
Larry Finger
d0df71dcd9 rtlwifi: rtl8192_common: Fix smatch errors and warnings in rtl8192c/dm_common.c
Smatch lists the following:
  CHECK   drivers/net/wireless/rtlwifi/rtl8192c/dm_common.c
drivers/net/wireless/rtlwifi/rtl8192c/dm_common.c:551 rtl92c_dm_pwdb_monitor() info: ignoring unreachable code.
drivers/net/wireless/rtlwifi/rtl8192c/dm_common.c:551 rtl92c_dm_pwdb_monitor() info: ignoring unreachable code.
drivers/net/wireless/rtlwifi/rtl8192c/dm_common.c:870 rtl92c_dm_txpower_tracking_callback_thermalmeter() error: buffer overflow 'txpwr_level' 2 <= 2
drivers/net/wireless/rtlwifi/rtl8192c/dm_common.c:870 rtl92c_dm_txpower_tracking_callback_thermalmeter() error: buffer overflow 'txpwr_level' 2 <= 2
drivers/net/wireless/rtlwifi/rtl8192c/dm_common.c:882 rtl92c_dm_txpower_tracking_callback_thermalmeter() error: buffer overflow 'txpwr_level' 2 <= 2
drivers/net/wireless/rtlwifi/rtl8192c/dm_common.c:883 rtl92c_dm_txpower_tracking_callback_thermalmeter() error: buffer overflow 'txpwr_level' 2 <= 2
drivers/net/wireless/rtlwifi/rtl8192c/dm_common.c:891 rtl92c_dm_txpower_tracking_callback_thermalmeter() error: buffer overflow 'txpwr_level' 2 <= 2
drivers/net/wireless/rtlwifi/rtl8192c/dm_common.c:892 rtl92c_dm_txpower_tracking_callback_thermalmeter() error: buffer overflow 'txpwr_level' 2 <= 2

The unreachable code message is fixed by deleting the code that follows a return.

The errors are fixed by increasing the size of txpwr_level.

Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2013-10-03 16:24:28 -04:00
Larry Finger
61800b2761 rtlwifi: rtl8192cu: Fix smatch warning in rtl8192cu/trx.c
Smatch lists the following:
  CHECK   drivers/net/wireless/rtlwifi/rtl8192cu/trx.c
drivers/net/wireless/rtlwifi/rtl8192cu/trx.c:367 _rtl_rx_process() warn: assigning (-98) to unsigned variable 'stats.noise'

This variable is unused, thus the initializer is removed, as well as a
comment referring to that variable.

Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2013-10-03 16:24:27 -04:00
Larry Finger
857c007730 rtlwifi: rtl8192de: Fix smatch warnings in rtl8192de/hw.c
Smatch lists the following:
  CHECK   drivers/net/wireless/rtlwifi/rtl8192de/hw.c
drivers/net/wireless/rtlwifi/rtl8192de/hw.c:1200 rtl92de_set_qos() info: ignoring unreachable code.
drivers/net/wireless/rtlwifi/rtl8192de/hw.c:1200 rtl92de_set_qos() info: ignoring unreachable code.

The dead code is deleted.

Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2013-10-03 16:24:27 -04:00
Larry Finger
adb250b9d2 rtlwifi: rtl8192du: Fix smatch errors in /rtl8192de/dm.c
Smatch lists the following:
  CHECK   drivers/net/wireless/rtlwifi/rtl8192de/dm.c
drivers/net/wireless/rtlwifi/rtl8192de/dm.c:1054 rtl92d_dm_txpower_tracking_callback_thermalmeter() error: buffer overflow 'ofdm_index' 2 <= 2
drivers/net/wireless/rtlwifi/rtl8192de/dm.c:1056 rtl92d_dm_txpower_tracking_callback_thermalmeter() error: buffer overflow 'ofdm_index' 2 <= 2
drivers/net/wireless/rtlwifi/rtl8192de/dm.c:1126 rtl92d_dm_txpower_tracking_callback_thermalmeter() debug: remove_pools: nr_children over 4000 (4596). (rtlpriv->dbg.global_debuglevel merged)
drivers/net/wireless/rtlwifi/rtl8192de/dm.c:1126 rtl92d_dm_txpower_tracking_callback_thermalmeter() error: buffer overflow 'cckswing_table_ch1ch13' 33 <= 255
drivers/net/wireless/rtlwifi/rtl8192de/dm.c:1129 rtl92d_dm_txpower_tracking_callback_thermalmeter() error: buffer overflow 'cckswing_table_ch1ch13' 33 <= 255
drivers/net/wireless/rtlwifi/rtl8192de/dm.c:1132 rtl92d_dm_txpower_tracking_callback_thermalmeter() error: buffer overflow 'cckswing_table_ch1ch13' 33 <= 255
drivers/net/wireless/rtlwifi/rtl8192de/dm.c:1135 rtl92d_dm_txpower_tracking_callback_thermalmeter() error: buffer overflow 'cckswing_table_ch1ch13' 33 <= 255
drivers/net/wireless/rtlwifi/rtl8192de/dm.c:1138 rtl92d_dm_txpower_tracking_callback_thermalmeter() error: buffer overflow 'cckswing_table_ch1ch13' 33 <= 255
drivers/net/wireless/rtlwifi/rtl8192de/dm.c:1141 rtl92d_dm_txpower_tracking_callback_thermalmeter() error: buffer overflow 'cckswing_table_ch1ch13' 33 <= 255
drivers/net/wireless/rtlwifi/rtl8192de/dm.c:1144 rtl92d_dm_txpower_tracking_callback_thermalmeter() error: buffer overflow 'cckswing_table_ch1ch13' 33 <= 255
drivers/net/wireless/rtlwifi/rtl8192de/dm.c:1147 rtl92d_dm_txpower_tracking_callback_thermalmeter() error: buffer overflow 'cckswing_table_ch1ch13' 33 <= 255
drivers/net/wireless/rtlwifi/rtl8192de/dm.c:1151 rtl92d_dm_txpower_tracking_callback_thermalmeter() error: buffer overflow 'cckswing_table_ch14' 33 <= 255
drivers/net/wireless/rtlwifi/rtl8192de/dm.c:1154 rtl92d_dm_txpower_tracking_callback_thermalmeter() error: buffer overflow 'cckswing_table_ch14' 33 <= 255
drivers/net/wireless/rtlwifi/rtl8192de/dm.c:1157 rtl92d_dm_txpower_tracking_callback_thermalmeter() error: buffer overflow 'cckswing_table_ch14' 33 <= 255
drivers/net/wireless/rtlwifi/rtl8192de/dm.c:1160 rtl92d_dm_txpower_tracking_callback_thermalmeter() error: buffer overflow 'cckswing_table_ch14' 33 <= 255
drivers/net/wireless/rtlwifi/rtl8192de/dm.c:1163 rtl92d_dm_txpower_tracking_callback_thermalmeter() error: buffer overflow 'cckswing_table_ch14' 33 <= 255
drivers/net/wireless/rtlwifi/rtl8192de/dm.c:1166 rtl92d_dm_txpower_tracking_callback_thermalmeter() error: buffer overflow 'cckswing_table_ch14' 33 <= 255
drivers/net/wireless/rtlwifi/rtl8192de/dm.c:1169 rtl92d_dm_txpower_tracking_callback_thermalmeter() error: buffer overflow 'cckswing_table_ch14' 33 <= 255
drivers/net/wireless/rtlwifi/rtl8192de/dm.c:1172 rtl92d_dm_txpower_tracking_callback_thermalmeter() error: buffer overflow 'cckswing_table_ch14' 33 <= 255

This patch fixes several off-by-one errors. It also removes a comment
referencing variable 'noise' in the rts_stats struct.

Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2013-10-03 16:24:27 -04:00
Stanislaw Gruszka
3b9b74baa1 rt2800: add support for radio chip RF3070
Add support for new RF chip ID: 3070. It seems to be the same as 5370,
maybe vendor just put wrong value on the eeprom, but add this id anyway
since devices with it showed on the marked.

Signed-off-by: Stanislaw Gruszka <sgruszka@redhat.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2013-10-03 16:24:26 -04:00
Arend van Spriel
05f3820b2e brcmfmac: rework rx path bus interface
The brcmfmac has common and bus specific part. The rx function api
was using sk_buff_head. Changed to sk_buff instead.

Reviewed-by: Hante Meuleman <meuleman@broadcom.com>
Reviewed-by: Franky (Zhenhui) Lin <frankyl@broadcom.com>
Reviewed-by: Pieter-Paul Giesberts <pieterpg@broadcom.com>
Signed-off-by: Arend van Spriel <arend@broadcom.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2013-10-03 16:24:26 -04:00
Hante Meuleman
f2c44fe7c8 brcmfmac: Use fw filename and nvram based of devid for sdio.
SDIO firmware download routines uses one name for firmware file
and nvram file for all sdio devices. This is not user friendly.
Use fw filename and nvram filename based upon chip id and revision.

Reported-by: Stephen Warren <swarren@wwwdotorg.org>
Reviewed-by: Franky (Zhenhui) Lin <frankyl@broadcom.com>
Reviewed-by: Pieter-Paul Giesberts <pieterpg@broadcom.com>
Signed-off-by: Hante Meuleman <meuleman@broadcom.com>
Signed-off-by: Arend van Spriel <arend@broadcom.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2013-10-03 16:24:25 -04:00
Arend van Spriel
5af47fb394 brcmfmac: fix sparse error 'bad constant expression'
The definition of BRCMF_EVENTING_MASK_LEN results in a sparse
error message

.../fweh.c:331:22: error: bad constant expression
.../fweh.c:388:22: error: bad constant expression
.../dhd_common.c:256:22: error: bad constant expression

This is caused by the use of roundup() in BRCMF_EVENTING_MASK_LEN
and it is used to allocate an array variable on the stack. Better
use DIV_ROUND_UP() macro.

Reviewed-by: Franky (Zhenhui) Lin <frankyl@broadcom.com>
Reviewed-by: Hante Meuleman <meuleman@broadcom.com>
Reviewed-by: Pieter-Paul Giesberts <pieterpg@broadcom.com>
Signed-off-by: Arend van Spriel <arend@broadcom.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2013-10-03 16:24:25 -04:00
Franky Lin
5491c11c67 brcmfmac: reserve memory for bus layer in sk_buff::cb
Bus layer need to share sk_buff::cb with firmware signal feature. Reserve
necessary memory so they won't overwrite each other.

Reviewed-by: Arend Van Spriel <arend@broadcom.com>
Reviewed-by: Pieter-Paul Giesberts <pieterpg@broadcom.com>
Signed-off-by: Franky Lin <frankyl@broadcom.com>
Signed-off-by: Arend van Spriel <arend@broadcom.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2013-10-03 16:24:25 -04:00
Franky Lin
7434785652 brcmfmac: add valid core index check in related functions
Perform a valid check for core index to avoid illegal address access.

Reviewed-by: Hante Meuleman <meuleman@broadcom.com>
Reviewed-by: Pieter-Paul Giesberts <pieterpg@broadcom.com>
Reviewed-by: Arend van Spriel <arend@broadcom.com>
Signed-off-by: Franky Lin <frankyl@broadcom.com>
Signed-off-by: Arend van Spriel <arend@broadcom.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2013-10-03 16:24:24 -04:00
Franky Lin
fe0401582e brcmfmac: add BCM4339 SDIO interface support
BCM4339 is an a/b/g/n/ac 1x1 WiFi chip. This patch adds support for it through
SDIO interface.

Reviewed-by: Hante Meuleman <meuleman@broadcom.com>
Reviewed-by: Pieter-Paul Giesberts <pieterpg@broadcom.com>
Reviewed-by: Arend van Spriel <arend@broadcom.com>
Signed-off-by: Franky Lin <frankyl@broadcom.com>
Signed-off-by: Arend van Spriel <arend@broadcom.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2013-10-03 16:24:24 -04:00
Franky Lin
4cd0ea456b brcmfmac: sync firmware event list
Update event list to keep sync with firmware development. Use calculated event
mask length instead of hard-coded value.

Reviewed-by: Arend Van Spriel <arend@broadcom.com>
Reviewed-by: Pieter-Paul Giesberts <pieterpg@broadcom.com>
Signed-off-by: Franky Lin <frankyl@broadcom.com>
Signed-off-by: Arend van Spriel <arend@broadcom.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2013-10-03 16:24:23 -04:00
John W. Linville
75ae83d686 Merge tag 'for-linville-20131001' of git://github.com/kvalo/ath 2013-10-03 16:16:34 -04:00
John W. Linville
c21a7d661f Merge branch 'for-linville' of git://git.kernel.org/pub/scm/linux/kernel/git/luca/wl12xx 2013-10-03 16:15:35 -04:00
Joe Perches
7b4371ea48 ath10k: wmi: Convert use of 6 to ETH_ALEN
Use the appropriate define instead of 6.

Signed-off-by: Joe Perches <joe@perches.com>
Noticed-by: Julia Lawall <julia.lawall@lip6.fr> via spatch script
Signed-off-by: David S. Miller <davem@davemloft.net>
2013-10-02 23:41:53 -04:00
Joe Perches
d458cdf712 net:drivers/net: Miscellaneous conversions to ETH_ALEN
Convert the memset/memcpy uses of 6 to ETH_ALEN
where appropriate.

Also convert some struct definitions and u8 array
declarations of [6] to ETH_ALEN.

Signed-off-by: Joe Perches <joe@perches.com>
Acked-by: Arend van Spriel <arend@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2013-10-02 17:04:45 -04:00
Jingoo Han
5d3c2f7d34 wireless: iwlwifi: remove unnecessary pci_set_drvdata()
The driver core clears the driver data to NULL after device_release
or on probe failure. Thus, it is not needed to manually clear the
device driver data to NULL.

Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2013-10-02 18:00:46 +02:00
Emmanuel Grumbach
c90ca50741 iwlwifi: pcie: dump_stack upon timeout of SYNC cmd
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2013-10-02 18:00:46 +02:00
Eytan Lifshitz
ff116373f6 iwlwifi: mvm: change the name of init_ucode_run flag
In RF KILL the init ucode is running, but don't complete
all its tasks, so we need to run the init ucode again.
Change the flag name to init_ucode_complete, to be more appropriate.

Signed-off-by: Eytan Lifshitz <eytan.lifshitz@intel.com>
Reviewed-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2013-10-02 18:00:45 +02:00
Johannes Berg
f7fc598931 iwlwifi: mvm: implement new IPv6 offload API
The firmware API for IPv6 NDP/NS offload has changed again.
Implement support for the new API; this requires calculating
the solicited node address for each "target" address as it's
no longer ignored by the firmware.

Reviewed-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2013-10-02 18:00:45 +02:00
Emmanuel Grumbach
f6fc57756b iwlwifi: mvm: BT Coex - Correctly enable and treat rssi events
Rssi events were enabled on interfaces using 5.2GHz.
Interfaces on 5.2GHz were taken into account while
determining the ACK / CTS kill mask. Fix that.

The last rssi notified to BT Coex was reset every BT Coex
Notification. Since we get a lot of these notifications
from the firmware, we reset the rssi all the time which
means that the bt_rssi_event is called all the time.
Fix that by puting the rssi we pull upon BT Coex
notification into iwl_mvm_vif_bf_data.last_bt_coex_event

Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2013-10-02 18:00:44 +02:00
Emmanuel Grumbach
2de13caebc iwlwifi: mvm: BT Coex - adapt debugfs to new API
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2013-10-02 18:00:43 +02:00
Emmanuel Grumbach
39149911ba iwlwifi: mvm: don't use reduced Tx power when not applicable
When we have only one antenna for BT and WiFi, reduced Tx
power is irrelevant.
Also, in loose scheme, we should not use reduced Tx power
nor set the control mask to Tx power.

Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2013-10-02 18:00:43 +02:00
Djalal Harouni
0e9d84ea89 iwlwifi: mvm: make debugfs write() operations write up to count bytes
Some debugfs write() operations of the MVM Firmware will ignore the
count argument, and will copy more bytes than what was specified.
Fix this by getting the right count of bytes.

This will honor restrictions put on the number of bytes to write and
avoid strcmp() calls on garbage data.

Signed-off-by: Djalal Harouni <tixxdz@opendz.org>
Reviewed-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2013-10-02 18:00:42 +02:00
Eyal Shapira
6a524f487c iwlwifi: mvm: remove GF support in rs
mvm doesn't support HT GF so drop all relevant code in rs.

Signed-off-by: Eyal Shapira <eyal@wizery.com>
Reviewed-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2013-10-02 18:00:42 +02:00
Eyal Shapira
d310e4059f iwlwifi: mvm: support VHT in rs
Enable rs algorithm to use VHT rates and use 80Mhz.
This enables reaching VHT rates which wasn't possible.

Signed-off-by: Eyal Shapira <eyal@wizery.com>
Reviewed-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2013-10-02 18:00:41 +02:00
Emmanuel Grumbach
4515f30fb6 iwlwifi: mvm: BT Coex - use data from firmware
The data in MailBox comes direclty from the BT core.
We should use the data processed by the WiFi fw that is
appended to the MailBox in the BT Coex notification.
Also decide on whether the Coex type based on the input
from the the firmware and not hard coded.

Also fix the SMPS SISO threshold to 2 (it was 3).

Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2013-10-02 18:00:41 +02:00
Emmanuel Grumbach
18bc6996c7 iwlwifi: mvm: BT Coex - no need to send envelopes
This was due to a fw remainder of old implementation.

Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2013-10-02 18:00:40 +02:00
Emmanuel Grumbach
dac94da8db iwlwifi: mvm: new BT Coex API
This is the new API for BT Coex. The full functionality
will be implemented in further patches.

Note: this disables BT Coex for the currently existing
fw (-7 version).

There is also a new command - the channel inhibition command.

This command tells BT what channels to avoid in order to
minimise the interaction between BT and WiFi.
We can tell BT about 2 channels, primary and secondary.
BT will not tune to primary at all and will avoid secondary
as much as possible.

This also means that we need to track vifs that AP / GO.
So rename iwl_mvm_bt_coex_vif_assoc to
iwl_mvm_bt_coex_vif_change to better reflect its real
meaning.

Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2013-10-02 18:00:40 +02:00
David Spinadel
35a000b7c1 iwlwifi: mvm: support sched scan if supported by the fw
Add support for scheduled scan according to firmware support.

Signed-off-by: David Spinadel <david.spinadel@intel.com>
Reviewed-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2013-10-02 18:00:39 +02:00
David Spinadel
20f1a5deb6 iwlwifi: mvm: add no_basic_ssid option
New FW doesn't use the SSID from scan request template. Adding
a TLV flag to indicate the change, and fixing the flows to send
the first SSID in SSID list if the flag is on.

Signed-off-by: David Spinadel <david.spinadel@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2013-10-02 18:00:39 +02:00
Emmanuel Grumbach
3394817f83 iwlwifi: mvm: don't sleep while allocating in atomic context
We want to dump the SRAM when we have an error interrupt
from the device. This happens in non-sleepable context,
hence the change.

Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2013-10-02 18:00:38 +02:00
Eyal Shapira
4e82dd3a13 iwlwifi: mvm: update expected tpt tables for VHT
VHT introduces MCS8 and MCS9. Update the expected tpt tables
to include these. Previous expected values for 20/40 MHz
are incorrect in certain cases so fix these as well.

Signed-off-by: Eyal Shapira <eyal@wizery.com>
Tested-by: Efi Tubul <efi.tubul@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2013-10-02 18:00:38 +02:00
Eyal Shapira
22f6642c52 iwlwifi: mvm: fix switch from shared antenna in case of BT load
Current code didn't handle well the case where we're in SISO using
ANT B and there's a BT load. Switch to ANT A in this case.

Signed-off-by: Eyal Shapira <eyal@wizery.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2013-10-02 18:00:37 +02:00
Emmanuel Grumbach
889b169650 iwlwifi: pcie: clean RFKILL interrupt in AMPG
Newer firmware don't clean the RFKILL interrupt in APMG, do
it in driver instead.
If we forget to do so, we can't send HCMD to firmware while
the NIC is in RFKILL state.

Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2013-10-02 18:00:37 +02:00
Max Stepanov
5a258aaeec iwlwifi: mvm: split ADD_STA and ADD_STA_KEY in firmware API
Add support for new station management firmware API. The old
ADD_MODIFY_STA command has been replaced with two: a modified
ADD_MODIFY_STA and a new ADD_MODIFY_STA_KEY command.

Signed-off-by: Max Stepanov <Max.Stepanov@intel.com>
Reviewed-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2013-10-02 18:00:36 +02:00
Alexander Bondar
b34b912f2c iwlwifi: mvm: Adjust some power management constants
Adjust the following:

- RX/TX AP-to-PSM timeout in case of uAPSD and PBW snoozing
- PSM-to-AM TX/RX heavy traffic thresholds
- Beacon abort escape timer for D3/D0i3

Signed-off-by: Alexander Bondar <alexander.bondar@intel.com>
Reviewed-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2013-10-02 18:00:35 +02:00
Johannes Berg
3dd1cd2d33 iwlwifi: mvm: fix locking in iwl_mvm_bt_rssi_event()
This will deadlock due to commit 9f34783863bea806
("iwlwifi: mvm: Implement BT coex notifications"):

  =============================================
  [ INFO: possible recursive locking detected ]
  3.5.0 #10 Tainted: G        W  O
  ---------------------------------------------
  kworker/2:1/5214 is trying to acquire lock:
   (&mvm->mutex){+.+.+.}, at: [<ffffffffa03be23e>] iwl_mvm_bt_rssi_event+0x5e/0x210 [iwlmvm]

  but task is already holding lock:
   (&mvm->mutex){+.+.+.}, at: [<ffffffffa03ab2d9>] iwl_mvm_async_handlers_wk+0x49/0x120 [iwlmvm]

  other info that might help us debug this:
   Possible unsafe locking scenario:

         CPU0
         ----
    lock(&mvm->mutex);
    lock(&mvm->mutex);

   *** DEADLOCK ***

Change-Id: I9104f252b34676e2f7ffcd51166f95367e08a4d9
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Reviewed-on: https://gerrit.rds.intel.com/21887
Reviewed-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Tested-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>

Conflicts:
	drivers/net/wireless/iwlwifi/mvm/bt-coex.c
2013-10-02 18:00:35 +02:00
Andrei Otcheretianski
911222b57b iwlwifi: mvm: Implement BT coex notifications
Use beacon statistics notification handler
to notify bt coex about rssi changes.
Mac80211's mechanism is not used anymore.

Signed-off-by: Andrei Otcheretianski <andrei.otcheretianski@intel.com>
Reviewed-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2013-10-02 18:00:34 +02:00
Johannes Berg
016d27e13b iwlwifi: mvm: give client MACs time to synchronise during restart
When firmware restart happens, the timers are obviously reset and
the new firmware has no synchronisation with the AP as we program
timings to the pre-restart values. The firmware should attempt to
synchronise by itself, but in multi-channel scenarios this isn't
easy, particularly since it has to try to keep service quality up
for other MACs.

To make it more reliable, give each client MAC some time to catch
beacons when restarting or resuming. Service quality was impacted
anyway (or in resume doesn't really matter much.)

Reviewed-by: Moshe Island <moshe.island@intel.com>
Reviewed-by: Ilan Peer <ilan.peer@intel.com>
Reviewed-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2013-10-02 18:00:34 +02:00
Eyal Shapira
4837b448df iwlwifi: mvm: remove rs FSM actions relevant only for 3 antennas
The XXX_SWITCH_ANTENNA1/2 actions keep track of switching between
3 single antennas or between 3 pairs in case of MIMO2 on a MIMO3 device.
As current and future chips will have at most 2 antennas drop these.
While at it also convert the actions into enums and cleanup
the code a bit.

Signed-off-by: Eyal Shapira <eyal@wizery.com>
Reviewed-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2013-10-02 18:00:33 +02:00
Emmanuel Grumbach
2e0cc86535 iwlwifi: mvm: use CTS to Self if firmware allows it
Newer firmware fixed a bug that prevented to use CTS to
self. Firmwares with API greater than 8 have this bug
fixed. Enable the feature for these firmwares only.

Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2013-10-02 18:00:33 +02:00
Oren Givon
91b05d1035 iwlwifi: mvm: debugfs: add an option to set antennas for scan command
Add an option to set rx antennas for the scan command from debugfs.
Create a file called ant_rxchain in the mvm debugfs directory.
To choose antennas, write a number between 1-7 to ant_rxchain.
Write 1 for A, 2 for B, 3 for AB and so on.

Signed-off-by: Oren Givon <oren.givon@intel.com>
Reviewed-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2013-10-02 18:00:32 +02:00
Johannes Berg
4ac6cb59fa iwlwifi: mvm: query firmware for non-QoS seqno
Instead of keeping track of the non-QoS seqno for each station,
query the firmware when suspending, that's more efficient. As
this can fail, move the station ID mangling later in the code.

Reviewed-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2013-10-02 18:00:32 +02:00
Johannes Berg
f6c6ad42b5 iwlwifi: mvm: implement beacon filtering testmode command
Add a testmode command to (manually) disable (and re-enable)
beacon filtering for testing purposes.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2013-10-02 18:00:31 +02:00
David Spinadel
507cadf262 iwlwifi: mvm: implement NoA testing using testmode cmd
For testing, implement setting continuous NoA duration
using a new MVM-specific testmode command.

Signed-off-by: David Spinadel <david.spinadel@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2013-10-02 18:00:31 +02:00
Johannes Berg
d819c6cf1c iwlwifi: pcie: fix merge damage
The merge b35c8097 seems to have lost commit eabc4ac5d,
put the code back.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2013-10-02 10:34:55 -04:00
Emmanuel Grumbach
5a3e9f7f8c iwlwifi: mvm: call ieee80211_scan_completed when needed
When RFKill cuts short a scan, mac80211 cancels the scan.
This is done by sending a host command to the firmware, but
this command was dropped because of RFKill. Flag this
command as "SEND_IN_RFKILL" to make sure it is sent to the
firmware. The firmware will send SCAN_COMPLETE_NOTIFICATION
which will trigger a call to ieee80211_scan_completed.

If the scan cannot be aborted, it is because the firmware
already finished the scan but we hadn't notified mac80211
at the time mac80211 decided to cancel the scan. By the time
we see the scan could not be aborted, mac80211 has been
notified already.

This patch fixes situations in which we didn't notify
mac80211 upon completion of the scan that was cut short
by RFkill.

Cc: stable@vger.kernel.org [3.10+]
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2013-10-02 11:25:50 +02:00
Emmanuel Grumbach
08a5dd3842 iwlwifi: pcie: add SKUs for 6000, 6005 and 6235 series
Add some new PCI IDs to the table for 6000, 6005 and 6235 series.

Cc: stable@vger.kernel.org
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2013-10-02 11:25:38 +02:00
Emmanuel Grumbach
8ca95995e6 iwlwifi: don't WARN on host commands sent when firmware is dead
This triggers automatic bug reports and add no valuable
information. Print a simple error instead and drop the
host command.

Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2013-10-02 11:25:38 +02:00
Matti Gottlieb
b49926629f iwlwifi: pcie: add new SKUs for 7000 & 3160 NIC series
Add some new PCI IDs to the table for 7000 & 3160 series

Cc: stable@vger.kernel.org
Signed-off-by: Matti Gottlieb <matti.gottlieb@intel.com>
Reviewed-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2013-10-02 11:25:32 +02:00
Emmanuel Grumbach
f477252051 iwlwifi: pcie: don't reset the TX queue counter
A few NICs can get into trouble if we reset the TX queue
counters in certain very rare situation. To be on the safe
side, simply avoid to reset the TX queue counter.
This is relevant for non-AMPDU queues only since on AMPDU
we have no choice - we must start the TX queue at the right
index.

Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2013-10-02 11:22:29 +02:00
Alexander Bondar
01ea748cd5 iwlwifi: mvm: Disable uAPSD for D3 image
The D3 firmware image doesn't support uAPSD, so disable it.

Signed-off-by: Alexander Bondar <alexander.bondar@intel.com>
Reviewed-by: Guy Cohen <guy.cohen@intel.com>
Reviewed-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2013-10-02 11:18:10 +02:00
David S. Miller
4fbef95af4 Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Conflicts:
	drivers/net/ethernet/emulex/benet/be.h
	drivers/net/usb/qmi_wwan.c
	drivers/net/wireless/brcm80211/brcmfmac/dhd_bus.h
	include/net/netfilter/nf_conntrack_synproxy.h
	include/net/secure_seq.h

The conflicts are of two varieties:

1) Conflicts with Joe Perches's 'extern' removal from header file
   function declarations.  Usually it's an argument signature change
   or a function being added/removed.  The resolutions are trivial.

2) Some overlapping changes in qmi_wwan.c and be.h, one commit adds
   a new value, another changes an existing value.  That sort of
   thing.

Signed-off-by: David S. Miller <davem@davemloft.net>
2013-10-01 17:06:14 -04:00
Vladimir Murzin
a07b5b840c ath6kl: fix compilation warning in ath6kl_htc_pipe_conn_service
Fix the warning

drivers/net/wireless/ath/ath6kl/htc_pipe.c: In function
'ath6kl_htc_pipe_conn_service':
drivers/net/wireless/ath/ath6kl/htc_pipe.c:1293:26: warning: integer overflow
in expression [-Woverflow]

by giving a hint to compiler about unsigned nature of
HTC_CONN_FLGS_SET_RECV_ALLOC_MASK

Signed-off-by: Vladimir Murzin <murzin.v@gmail.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
2013-10-01 19:42:28 +03:00
Felix Fietkau
f69727fd78 ath9k: fix powersave response handling for BA session packets
When a packet is passed from mac80211 to the driver with the
IEEE80211_TX_CTL_PS_RESPONSE flag set, it bypasses the normal driver
internal queueing and goes directly to the UAPSD queue.

When that happens, packets that are part of a BlockAck session still
need to be tracked as such inside the driver, otherwise it will create
discrepancies in the receiver BA reorder window, causing traffic stalls.
This only happens in AP mode with powersave-enabled clients.

This patch fixes the regression introduced in the commit
"ath9k: use software queues for un-aggregated data packets"

Signed-off-by: Felix Fietkau <nbd@openwrt.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2013-09-30 16:19:29 -04:00
Amitkumar Karwar
453b0c3f69 mwifiex: fix SDIO interrupt lost issue
601216e "mwifiex: process RX packets in SDIO IRQ thread directly"
introduced a command timeout issue which can be reproduced easily on
an AM33xx platform using a test application written by Daniel Mack:

https://gist.github.com/zonque/6579314

mwifiex_main_process() is called from both the SDIO handler and
the workqueue. In case an interrupt occurs right after the
int_status check, but before updating the mwifiex_processing flag,
this interrupt gets lost, resulting in a command timeout and
consequently a card reset.

Let main_proc_lock protect both int_status and mwifiex_processing
flag. This fixes the interrupt lost issue.

Cc: <stable@vger.kernel.org> # 3.7+
Reported-by: Sven Neumann <s.neumann@raumfeld.com>
Reported-by: Andreas Fenkart <andreas.fenkart@streamunlimited.com>
Tested-by: Daniel Mack <zonque@gmail.com>
Reviewed-by: Dylan Reid <dgreid@chromium.org>
Signed-off-by: Amitkumar Karwar <akarwar@marvell.com>
Signed-off-by: Bing Zhao <bzhao@marvell.com>
Signed-off-by: Paul Stewart <pstew@chromium.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2013-09-30 16:19:28 -04:00
Stanislaw Gruszka
dfb6b7c109 Revert "rt2x00pci: Use PCI MSIs whenever possible"
This reverts commit 9483f40d8d.

Some devices stop to connect with above commit, see:
https://bugzilla.kernel.org/show_bug.cgi?id=61621

Since there is no clear benefit of having MSI enabled, just revert
change to fix the problem.

Cc: stable@vger.kernel.org # 3.11+
Signed-off-by: Stanislaw Gruszka <sgruszka@redhat.com>
Acked-by: Jakub Kicinski <kubakici@wp.pl>
Acked-by: Gertjan van Wingerde <gwingerde@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2013-09-30 16:19:28 -04:00
Kalle Valo
1a222435a1 ath10k: implement firmware IE container support
Firmware IE containers can dynamically provide various information what
firmware supports. Also it can embed more than one image so updating firmware
is easy, user just needs to update one file in /lib/firmware/.

The firmware API 2 or higher will use the IE container format, the current API
1 will not use the new format but it still is supported for some time. FW API 2
files are named as firmware-2.bin (which contains both firmware and otp images)
and API 1 files are firmware.bin and otp.bin.

Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
2013-09-30 22:03:31 +03:00
Kalle Valo
958df3a00a ath10k: store separate pointers for firmware data
Needed for firmware IE formatted images.

Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
2013-09-30 22:03:31 +03:00
Kalle Valo
365279167c ath10k: rename board_data in struct ath10k
I will use board_data for something else in the following patch
so I need to rename it.

Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
2013-09-30 22:03:31 +03:00
Arik Nemtsov
f2cede49ae wlcore: always register dummy hardirq
This keeps the kernel happy when using edge-irqs and requesting a
threaded irq.

Signed-off-by: Arik Nemtsov <arik@wizery.com>
Signed-off-by: Eliad Peller <eliad@wizery.com>
Signed-off-by: Luciano Coelho <luciano.coelho@intel.com>
2013-09-30 21:12:22 +03:00
Victor Goldenshtein
1f8a1890ed wl18xx: print new RDL versions during boot
Extract and print info for the new RDL 5, 6, 7 and 8.
Replace const struct with function which translates
the RDL number to string.

Signed-off-by: Victor Goldenshtein <victorg@ti.com>
Signed-off-by: Barak Bercovitz <barak@wizery.com>
Signed-off-by: Eliad Peller <eliad@wizery.com>
Signed-off-by: Luciano Coelho <luciano.coelho@intel.com>
2013-09-30 21:12:22 +03:00
Victor Goldenshtein
ef47d3287c wl18xx: fix boot process in high temperature environment
In addition to existing WCS PLL configuration add and enable
also the coex PLL during init phase. This fixes boot failures
due to silicon latchup in high temperature environment (>85c).

Signed-off-by: Victor Goldenshtein <victorg@ti.com>
Signed-off-by: Nadim Zubidat <nadimz@ti.com>
Signed-off-by: Eliad Peller <eliad@wizery.com>
Signed-off-by: Luciano Coelho <luciano.coelho@intel.com>
2013-09-30 21:12:21 +03:00
Eliad Peller
49540d1b81 wlcore: clarify and fix regulatory domain bit translation
Channels 52-64 were mapped incorrectly.

Refactor and document wlcore_get_reg_conf_ch_idx() in
order to make it clear what's going on there.

While on it, fix the return value check to consider
0 as a valid return value as well (indicates channel 1).

Reported-by: Yaniv Machani <yanivma@ti.com>
Signed-off-by: Eliad Peller <eliad@wizery.com>
Signed-off-by: Ido Reis <idor@ti.com>
Signed-off-by: Victor Goldenshtein <victorg@ti.com>
Signed-off-by: Luciano Coelho <luciano.coelho@intel.com>
2013-09-30 21:12:21 +03:00
Eliad Peller
7ca38a98ca wlcore: remove unsupported channels
The fw doesn't support channels 7,9,11 in 5ghz band,
so don't advertise supporting them.

Signed-off-by: Eliad Peller <eliad@wizery.com>
Signed-off-by: Luciano Coelho <luciano.coelho@intel.com>
2013-09-30 21:12:20 +03:00
Victor Goldenshtein
bf9d5d28aa wlcore: fix unsafe dereference of the wlvif
wlvif could be passed as NULL from the wlcore_tx_work_locked()
to the wl1271_prepare_tx_frame() and to wl1271_skb_queue_head()
functions. This may lead to a Kernel panic, fix this by
validating that wlvif != NULL.

Signed-off-by: Victor Goldenshtein <victorg@ti.com>
Signed-off-by: Eliad Peller <eliad@wizery.com>
Signed-off-by: Luciano Coelho <luciano.coelho@intel.com>
2013-09-30 21:12:20 +03:00
Victor Goldenshtein
0fe72086af wlcore: cleanup scan debug prints
Remove scan debug dumps which are rarely used.
Make scan debug prints more clear and short.

Signed-off-by: Victor Goldenshtein <victorg@ti.com>
Signed-off-by: Eliad Peller <eliad@wizery.com>
Signed-off-by: Luciano Coelho <luciano.coelho@intel.com>
2013-09-30 21:12:19 +03:00
Arik Nemtsov
b0ed8a4d39 wlcore: re-enable idle handling
We need some stuff done on idle change, most notably we have to stop
sched-scanning. Take care of this by reintroducing idle handling.

Signed-off-by: Arik Nemtsov <arik@wizery.com>
Signed-off-by: Eliad Peller <eliad@wizery.com>
Signed-off-by: Luciano Coelho <luciano.coelho@intel.com>
2013-09-30 21:12:19 +03:00
Yair Shapira
e7441ce481 wlcore: disable elp sleep while in plt mode
We now disable elp sleep during plt mode to allow normal operation of
plt tools such as calibrator.

Having elp_sleep enabled during plt mode is actually not required and
in fact it disrupt plt operations such as rx statistics etc.

Signed-off-by: Yair Shapira <yair.shapira@ti.com>
Signed-off-by: Eliad Peller <eliad@wizery.com>
Signed-off-by: Luciano Coelho <luciano.coelho@intel.com>
2013-09-30 21:12:18 +03:00
Yair Shapira
dd491ffbaa wlcore: add new plt power-mode: CHIP_AWAKE
Under this mode the chip is powered on including sdio
but no FW is downloaded and run, interrupts are not enabled, etc...

This mode is intended to allow RTTT to bridge sdio as a transport
to the chip.

Driver only provides sdio access using the dev_mem debugfs file.

Some fixes done to the code that ensures that PLT mode and normal
driver power mode (ifconfig/add_interface) are mutually excluded.

Signed-off-by: Yair Shapira <yair.shapira@ti.com>
Signed-off-by: Eliad Peller <eliad@wizery.com>
Signed-off-by: Luciano Coelho <luciano.coelho@intel.com>
2013-09-30 21:12:18 +03:00
Arik Nemtsov
187e52cc3c wlcore: ROC on AP channel before auth reply
Start a ROC on the AP channel beforing sending the authentication reply
to a connecting STA. This ROC is held up to 1 second via a timer. If the
station is authorized and added by mac80211, the ROC is extended until
the station is fully authorized.
We make sure not to ROC twice when several stations are connecting in
parallel and to only release the ROC when both the pending-reply timer
and the STA-state callbacks do not require it.

Signed-off-by: Arik Nemtsov <arik@wizery.com>
Signed-off-by: Eliad Peller <eliad@wizery.com>
Signed-off-by: Luciano Coelho <luciano.coelho@intel.com>
2013-09-30 21:12:17 +03:00
Bartosz Markowski
89b7e766c8 ath10k: handle FW API differences for scan structures
The wmi_start_scan_cmd has an extra filed in our main
firmware track, reflact that to not have a mismatch in
case of 10.x track.

Signed-off-by: Bartosz Markowski <bartosz.markowski@tieto.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
2013-09-27 14:58:15 +03:00
Bartosz Markowski
226a339ba8 ath10k: introduce dynamic pdev parameters
This is done exactly the same way as for vdev.

Signed-off-by: Bartosz Markowski <bartosz.markowski@tieto.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
2013-09-27 14:58:15 +03:00
Bartosz Markowski
6d1506e788 ath10k: introduce dynamic vdev parameters
Both firmwares (main and 10.x) have different set of vdev
parameters. To stay in sync with FW API, this patch introduces
a dynamic registering method.

ath10k_wmi_vdev_set_param() takes now indirect u32 value
to identify the Vdev parameter it want's to set.

Signed-off-by: Bartosz Markowski <bartosz.markowski@tieto.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
2013-09-27 14:58:15 +03:00
Bartosz Markowski
ec6a73f00e ath10k: add TARGET values for 10.x firmware
Introduce all TARGET specific values for 10.x firmware.
Some of them are common for both firmwares we will support,
but to avoid confusion, define everything with prefix 10X_.

Signed-off-by: Bartosz Markowski <bartosz.markowski@tieto.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
2013-09-27 14:58:15 +03:00
Bartosz Markowski
12b2b9e33a ath10k: split wmi_cmd_init path
Due to API differences in initialization structures for
main and 10.x firmwares we need to split the wmi_init_cmd
and wmi_resource_config  structures.

This will be usefull also when setting the correct TARGET values,
like: number of peers, vdevs, pdevs etc.

Signed-off-by: Bartosz Markowski <bartosz.markowski@tieto.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
2013-09-27 14:58:15 +03:00
Bartosz Markowski
5e00d31a0f ath10k: bring back the WMI path for mgmt frames
This is still the only way to submit mgmt frames in case
of 10.X firmware.

This patch introduces wmi_mgmt_tx queue, because of the
fact WMI command can block. This is a problem for
ath10k_tx_htt(), since it's called from atomic context.
The skb queue and worker are introduced to move the mgmt
frame handling out of .tx callback context and not block.

Signed-off-by: Bartosz Markowski <bartosz.markowski@tieto.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
2013-09-27 14:58:14 +03:00
Bartosz Markowski
b3effe61a1 ath10k: implement host memory chunks
10.X firmware can request a memory pool from host to offload
it's own resources. This is a feature designed especially
for AP mode where the target has to deal with large number
of peers.

So we allocate and map a consistent DMA memory which FW can
use to store e.g. peer rate contol maps.

Signed-off-by: Bartosz Markowski <bartosz.markowski@tieto.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
2013-09-27 14:58:14 +03:00
Bartosz Markowski
08ba7b6b6f ath10k: drop the fw versioning sanity check
It was corrupted and leading to compilation warning
core.c: In function 'ath10k_check_fw_version':
core.c:79: warning: comparison is always true due to limited range of data type

Since we are going to support new FW track in the driver,
the sanity check for fw version number would be an overkill
then. This is just for information purposes anyway.

Reported-by: Geert Uytterhoeven <geert@linux-m68k.org>
Signed-off-by: Bartosz Markowski <bartosz.markowski@tieto.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
2013-09-27 14:58:14 +03:00
Bartosz Markowski
6f97d256b7 ath10k: split ath10k_wmi_service_ready_event_rx
Since the both firmwares we are going to support,
have significantly different APIs (WMI and shared
structures), it's easier to actually split the whole
event handling functions, instead cutting them inside.

The fork starts now on ath10k_wmi_process_rx().

Signed-off-by: Bartosz Markowski <bartosz.markowski@tieto.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
2013-09-27 14:58:14 +03:00
Bartosz Markowski
8a6618b00f ath10k: implement WMI events handling frame for both firmwares
We still use the same function handlers for both main and 10.X
paths. Next step is to track down and make the split needed.

Signed-off-by: Bartosz Markowski <bartosz.markowski@tieto.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
2013-09-27 14:58:14 +03:00
Bartosz Markowski
553215592f ath10k: warn if give WMI command is not supported
This will show and make it easier to track the API
differences in the new AP firmware.

Signed-off-by: Bartosz Markowski <bartosz.markowski@tieto.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
2013-09-27 14:58:14 +03:00
Bartosz Markowski
b7e3adf907 ath10k: add wmi_10x_<cmd/event> definitions
Introduce the cmd and events definitions for 10.X FW API
and make up the wmi_10x_cmd_map. This is the core of
host-firmware WMI interface for 10.X FW branch.

Signed-off-by: Bartosz Markowski <bartosz.markowski@tieto.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
2013-09-27 14:58:13 +03:00
Bartosz Markowski
ce42870efb ath10k: introduce dynamic WMI structures
This is the initial framework to implement dynamic
WMI API in order to support new firmware (from so
called 10.X branch)

The realization is to have a static WMI cmd map for
each of the firmwares, registered upom wmi init.

This patch creates such map for MAIN FW, updates
wmi_cmd_send() calls to take as a parameter
the map value instead of direct WMI enum.

As soon as complete 10.X API will be on place,
we will introduce the FW IE mechanics to dynamicaly
identify which FW is being used and based on that
we will use correct map, API, structures, etc.

Signed-off-by: Bartosz Markowski <bartosz.markowski@tieto.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
2013-09-27 14:58:13 +03:00
Kevin Lo
772eb43335 rt2x00: Fix rf register for RT3070
Fix RT3070 chip RF initial value to be similar to the latest Ralink vendor
driver.

Tested on Asus N13 usb wifi dongle.

Signed-off-by: Kevin Lo <kevlo@kevlo.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2013-09-26 15:17:30 -04:00
Peter Senna Tschudin
c8820cf2af wireless: rtlwifi: Replace variable with a break
This patch removes the variable continual, and change the while loop
to break when efuse_data == 0xFF.

Tested by compilation only.

CC: Joe Perches <joe@perches.com>
Signed-off-by: Peter Senna Tschudin <peter.senna@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2013-09-26 15:15:15 -04:00
Catalin Iacob
3a1ea9fd93 rtlwifi: remove duplicate declarations and macros in headers
This patch brings no functional change.

There are still duplicate macros across the rtlwifi directory, for example
IQK_DELAY_TIME is defined multiple times, sometimes with different values,
this patch only removes duplicates within the same header file.

Signed-off-by: Catalin Iacob <iacobcatalin@gmail.com>
Acked-by: Larry Finger <Larry.Finger@lwfinger.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2013-09-26 15:15:14 -04:00
Sujith Manoharan
551ed40969 ath9k: Remove incorrect diversity initialization
Fast antenna diversity is required only for single chain
chips and the diversity initialization is done in the
per-family board setup routines. Enabling of diversity
should be done based on the calibrated EEPROM/OTP data,
doing it for all chips is incorrect.

Remove the code that sets the fast_div bit for all cards, since
the documentation for the AR_PHY_CCK_DETECT register says:

reg 642: sig_detect_cck
enable_ant_fast_div : Only used for single chain chips.

Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2013-09-26 15:13:50 -04:00
Sujith Manoharan
c6cc47b101 ath9k: Handle FATAL interrupts correctly
When a FATAL interrupt is received, a full chip reset is
required, which is done in the main tasklet. But since
the reset routine is scheduled as a work item, make sure
that interrupts are not enabled in the tasklet before the
reset is done.

Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2013-09-26 15:13:49 -04:00
Sujith Manoharan
8a5b7ab36b ath9k: Fix NF calibration for single stream cards
Rather than using the chip ID to read only chain-0 CCA
registers and avoid reading chain-1, use the RX chainmask
instead. There are some 1-stream PCI devices based on AR9287
such as TL-WN751ND. Improper NF calibration might result in
DMA errors/timeouts.

Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2013-09-26 15:13:49 -04:00
Larry Finger
5952bd806c rtlwifi: rtl8192cu: Convert driver to use rtl_process_phyinfo()
Remove routine _rtl92c_process_phyinfo() by using the equivalent routine
in driver rtlwifi.

This change also allows the removal of 5 additional routines from rtl8192cu.

Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2013-09-26 15:13:49 -04:00
Chris Metcalf
8e70eb8092 ath9k: mark wmi_event_swba as __packed
The other structures in wmi.h are already marked this way.
Without this marking, we get an unaliged access panic in the tilegx kernel:

Starting stack dump of tid 0, pid 0 (swapper) on cpu 35 at cycle 198675113844
  frame 0: 0xfffffff7103ada90 ath9k_htc_swba+0x120/0x618 [ath9k_htc]
  frame 1: 0xfffffff7103a4b10 ath9k_wmi_event_tasklet+0x1b0/0x270 [ath9k_htc]
  frame 2: 0xfffffff700326570 tasklet_action+0x148/0x298
  [...]

Signed-off-by: Chris Metcalf <cmetcalf@tilera.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2013-09-26 15:13:48 -04:00
Gabor Juhos
60751001e8 rt2x00: rt2800lib: fix band selection and LNA PE control for RT3593 PCIe cards
The band selection and PE control code for the
RT3593 chipsets only handles USB based devices
currently. Due to this limitation RT3593 based
PCIe cards are not working correctly.

On PCIe cards band selection is controlled via
GPIO #8 which is identical to the USB devices.
The LNA PE control is slightly different, all
LNA PEs are controlled by GPIO #4.

Update the code to configure the GPIO_CTRL register
correctly on PCIe devices.

Cc: Steven Liu <steven.liu@mediatek.com>
Cc: JasonYS Cheng <jasonys.cheng@mediatek.com>
Signed-off-by: Gabor Juhos <juhosg@openwrt.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2013-09-26 15:13:48 -04:00
Sujith Manoharan
3001f0d00b ath9k: Fix PeakDetect calibration for AR9462
Since HW PeakDetect calibration is turned on for AR9462,
various conditions have to be handled in the driver:

* Enable agc_cal when loading RTT fails.
* Disable SW PeakDetect calibration when RTT calibration is not enabled.
* Keep SW PeakDetect calibration result in driver.
* Update RTT table according to the saved value.
* Write RTT back after modifying SW RTT table.
* Enable local mode for PeakDetect calibration and restore values.

Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2013-09-26 15:13:47 -04:00
Sujith Manoharan
4b9b42bfe0 ath9k: Use bitops for calibration flags
Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2013-09-26 15:13:47 -04:00
Sujith Manoharan
1e516ca7c9 ath9k: Handle abnormal NAV in AP mode
Beacon transmission would get stuck if the NAV is
an invalid value for some reason. Check and correct
the NAV value in the HW when this happens.

Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2013-09-26 15:13:46 -04:00
Sujith Manoharan
9ef4893234 ath9k: Fix issue with parsing malformed CFP IE
All QCA chips have the ability to parse the CF Parameter Set
IE in beacons. If the IE is malformed in the beacons from some
APs [1], the HW locks up. In AP mode, a beacon stuck would happen
and in client mode, a disconnection usually is the result.

To fix this issue, set the AR_PCU_MISC_MODE2_CFP_IGNORE to ignore
the CFP IE in beacons - this is applicable for all chips. For
AP mode, if this issue happens, the NAV is also corrupted and has
to be reset - this will be done in a subsequent patch.

[1] : http://msujith.org/ath9k/cfp/Malformed-CF-Param.png

Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2013-09-26 15:13:46 -04:00
Sujith Manoharan
c694545568 ath9k: Fix calibration for AR9462
TX IQ calibration is disabled by default for AR9462, this
is done using the initvals (reg 0xa644).

But, to compensate for this, the AR_PHY_RX_DELAY register
should be set to the max allowed value when performing
calibration.

Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2013-09-26 15:13:46 -04:00
Jingoo Han
8aee318f8d wireless: rtl818x: remove unnecessary pci_set_drvdata()
The driver core clears the driver data to NULL after device_release
or on probe failure. Thus, it is not needed to manually clear the
device driver data to NULL.

Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2013-09-26 15:13:45 -04:00
Jingoo Han
717a23a142 wireless: p54pci: remove unnecessary pci_set_drvdata()
The driver core clears the driver data to NULL after device_release
or on probe failure. Thus, it is not needed to manually clear the
device driver data to NULL.

Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2013-09-26 15:13:45 -04:00
Jingoo Han
68351b5803 wireless: orinoco: remove unnecessary pci_set_drvdata()
The driver core clears the driver data to NULL after device_release
or on probe failure. Thus, it is not needed to manually clear the
device driver data to NULL.

Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2013-09-26 15:13:44 -04:00
Jingoo Han
e53c61a055 wireless: mwl8k: remove unnecessary pci_set_drvdata()
The driver core clears the driver data to NULL after device_release
or on probe failure. Thus, it is not needed to manually clear the
device driver data to NULL.

Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2013-09-26 15:13:44 -04:00
Jingoo Han
0acfd4b06e wireless: ipw2x00: remove unnecessary pci_set_drvdata()
The driver core clears the driver data to NULL after device_release
or on probe failure. Thus, it is not needed to manually clear the
device driver data to NULL.

Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2013-09-26 15:13:44 -04:00
Jingoo Han
3f06534183 wireless: wil6210: remove unnecessary pci_set_drvdata()
The driver core clears the driver data to NULL after device_release
or on probe failure. Thus, it is not needed to manually clear the
device driver data to NULL.

Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Acked-by: Vladimir Kondratiev <qca_vkondrat@qca.qualcomm.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2013-09-26 15:13:43 -04:00
Jingoo Han
1348088d6f wireless: ath10k: remove unnecessary pci_set_drvdata()
The driver core clears the driver data to NULL after device_release
or on probe failure. Thus, it is not needed to manually clear the
device driver data to NULL.

Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2013-09-26 15:13:43 -04:00
Jingoo Han
81d503660d wireless: airo: remove unnecessary pci_set_drvdata()
The driver core clears the driver data to NULL after device_release
or on probe failure. Thus, it is not needed to manually clear the
device driver data to NULL.

Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2013-09-26 15:13:42 -04:00
Jingoo Han
11caec6952 wireless: adm8211: remove unnecessary pci_set_drvdata()
The driver core clears the driver data to NULL after device_release
or on probe failure. Thus, it is not needed to manually clear the
device driver data to NULL.

Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2013-09-26 15:13:42 -04:00
Jingoo Han
c1faf2cae2 wireless: iwlegacy: remove unnecessary pci_set_drvdata()
The driver core clears the driver data to NULL after device_release
or on probe failure. Thus, it is not needed to manually clear the
device driver data to NULL.

Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2013-09-26 15:13:41 -04:00
Jingoo Han
8d450935ae wireless: rtlwifi: remove unnecessary pci_set_drvdata()
The driver core clears the driver data to NULL after device_release
or on probe failure. Thus, it is not needed to manually clear the
device driver data to NULL.

Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Acked-by: Larry Finger <Larry.Finger@lwfinger.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2013-09-26 15:13:41 -04:00
Jingoo Han
c4978e251f wireless: wl12xx: use dev_get_platdata()
Use the wrapper function for retrieving the platform data instead of
accessing dev->platform_data directly. This is a cosmetic change
to make the code simpler and enhance the readability.

Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2013-09-26 15:13:41 -04:00
Jingoo Han
90650625db wireless: wlcore: use dev_get_platdata()
Use the wrapper function for retrieving the platform data instead of
accessing dev->platform_data directly. This is a cosmetic change
to make the code simpler and enhance the readability.

Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2013-09-26 15:13:40 -04:00
Jingoo Han
5f4fe16bac wireless: wl1251: use dev_get_platdata()
Use the wrapper function for retrieving the platform data instead of
accessing dev->platform_data directly. This is a cosmetic change
to make the code simpler and enhance the readability.

Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2013-09-26 15:13:40 -04:00
Jingoo Han
7204c97827 wireless: libertas: use dev_get_platdata()
Use the wrapper function for retrieving the platform data instead of
accessing dev->platform_data directly. This is a cosmetic change
to make the code simpler and enhance the readability.

Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2013-09-26 15:13:39 -04:00
Jingoo Han
3ec8a8d88f wireless: cw1200: use dev_get_platdata()
Use the wrapper function for retrieving the platform data instead of
accessing dev->platform_data directly. This is a cosmetic change
to make the code simpler and enhance the readability.

Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2013-09-26 15:13:39 -04:00
Jingoo Han
f41167026d wireless: brcmfmac: use dev_get_platdata()
Use the wrapper function for retrieving the platform data instead of
accessing dev->platform_data directly. This is a cosmetic change
to make the code simpler and enhance the readability.

Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2013-09-26 15:13:38 -04:00
Jingoo Han
8f616c6d31 wireless: ath9k: use dev_get_platdata()
Use the wrapper function for retrieving the platform data instead of
accessing dev->platform_data directly. This is a cosmetic change
to make the code simpler and enhance the readability.

Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2013-09-26 15:13:38 -04:00
Jingoo Han
b920e375be wireless: ath5k: use dev_get_platdata()
Use the wrapper function for retrieving the platform data instead of
accessing dev->platform_data directly. This is a cosmetic change
to make the code simpler and enhance the readability.

Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2013-09-26 15:13:37 -04:00
Sachin Kamat
5bb4101bc9 net: ath9k: Use NULL instead of false
The function returns a pointer. Hence return NULL instead of false.

Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2013-09-26 15:13:37 -04:00
Albert Pool
38e05a0e52 ar5523: Add USB ID of D-Link WUA-2340 rev A1
Signed-off-by: Albert Pool <albertpool@solcon.nl>
Reported-by: Michael Landrum <landrummd@gmail.com>
Acked-by: Pontus Fuchs <pontus.fuchs@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2013-09-26 15:13:37 -04:00
Stanislaw Gruszka
61edc7fad6 rt2800: comment enable radio initialization sequence
Signed-off-by: Stanislaw Gruszka <sgruszka@redhat.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2013-09-26 15:13:36 -04:00
Jingoo Han
b2a312046b mwifiex: Remove casting the return value which is a void pointer
Casting the return value which is a void pointer is redundant.
The conversion from void pointer to any other pointer type is
guaranteed by the C programming language.

Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Acked-by: Bing Zhao <bzhao@marvell.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2013-09-26 15:13:36 -04:00
Zefir Kurtisi
5e88ba6228 ath9k: replace snprintf() with scnprintf()
Whenever the return value of snprintf() is used to calculate
remaining buffer-space, we wanted to use sncprintf() instead.

Indentation is adapted where possible. Some lines exceed the
line width limit, either they did it already before, or
since they can not be broken reasonably well.

Signed-off-by: Zefir Kurtisi <zefir.kurtisi@neratec.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2013-09-26 15:13:35 -04:00
Sujith Manoharan
bf7c756c5d ath9k: Add DELL 1707 to supported card table
Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2013-09-26 15:13:35 -04:00
Sujith Manoharan
7c9a72013b ath9k: Update AR9485 1.1 initvals
* Remove duplicate array mappings.
* Fix ETSI CCA compliance.

Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2013-09-26 15:13:31 -04:00
Sujith Manoharan
6d5228fe20 ath9k: Add and use initvals for channel 14
This is missing for AR9565.

Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2013-09-26 15:13:30 -04:00
Sujith Manoharan
d3b371cb03 ath9k: Fix regulatory compliance for AR9462/AR9565
Adjust the CCA values based on the regulatory domain
present in the EEPROM.

Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2013-09-26 15:13:30 -04:00
Sujith Manoharan
3fcdd0a12e ath9k: Identify WB335 Antenna configuration
There are 2 types of WB335 cards, 1-antenna and 2-antenna.
Identify them based on PCI subsystem IDs, this will be used
for MCI/BTCOEX tweaks.

Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2013-09-26 15:13:30 -04:00
Sujith Manoharan
10631336eb ath9k: Identify CUS252 cards
These cards are based on WB335/AR9565.

Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2013-09-26 15:13:29 -04:00
Sujith Manoharan
1823a4212b ath9k: Enable antenna diversity for WB335
Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2013-09-26 15:13:29 -04:00
Sujith Manoharan
f96bd2ad22 ath9k: Add support for AR9565 v1.0.1 LNA diversity
Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2013-09-26 15:13:28 -04:00
Sujith Manoharan
6ac2150927 ath9k: Use correct RX gain table for AR9565
Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2013-09-26 15:13:28 -04:00
Sujith Manoharan
c946868228 ath9k: Fix antenna diversity init for AR9565
Program the HW registers (AR_PHY_CCK_DETECT, AR_PHY_MC_GAIN_CTRL)
with the correct values for AR9565 to allow LNA combining.

Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2013-09-26 15:13:28 -04:00
Sujith Manoharan
7e12d6a496 ath9k: Bypass EEPROM for diversity cap for AR9565
Use a default antenna diversity value for AR9565 instead
of relying on the EEPROM/OTP programmed value.

Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2013-09-26 15:13:27 -04:00
Sujith Manoharan
1c6bbe4739 ath9k: Update initvals for AR9565 1.0
Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2013-09-26 15:13:27 -04:00
John W. Linville
98497bb241 Merge branch 'for-linville' of git://github.com/kvalo/ath 2013-09-26 14:54:17 -04:00
Arend van Spriel
c7515d2365 brcmsmac: call bcma_core_pci_power_save() from non-atomic context
This patch adds explicit call to bcma_core_pci_power_save() from
a non-atomic context resolving 'scheduling while atomic' issue.

[   13.224317] BUG: scheduling while atomic: dhcpcd/1800/0x00000202
[   13.224322] Modules linked in: brcmsmac nouveau coretemp kvm_intel kvm cordic brcmutil bcma dell_wmi atl1c ttm mxm_wmi wmi
[   13.224354] CPU: 0 PID: 1800 Comm: dhcpcd Tainted: G        W    3.11.0-wl #1
[   13.224359] Hardware name: Alienware M11x R2/M11x R2, BIOS A04 11/23/2010
[   13.224363]  ffff880177c12c40 ffff880170fd1968 ffffffff8169af5b 0000000000000007
[   13.224374]  ffff880170fd1ad0 ffff880170fd1978 ffffffff81697ee2 ffff880170fd19f8
[   13.224383]  ffffffff816a19f5 00000000000f4240 000000000000d080 ffff880170fd1fd8
[   13.224391] Call Trace:
[   13.224399]  [<ffffffff8169af5b>] dump_stack+0x4f/0x84
[   13.224403]  [<ffffffff81697ee2>] __schedule_bug+0x43/0x51
[   13.224409]  [<ffffffff816a19f5>] __schedule+0x6e5/0x810
[   13.224412]  [<ffffffff816a1c34>] schedule+0x24/0x70
[   13.224416]  [<ffffffff816a04fc>] schedule_hrtimeout_range_clock+0x10c/0x150
[   13.224420]  [<ffffffff810684e0>] ? update_rmtp+0x60/0x60
[   13.224424]  [<ffffffff8106915f>] ? hrtimer_start_range_ns+0xf/0x20
[   13.224429]  [<ffffffff816a054e>] schedule_hrtimeout_range+0xe/0x10
[   13.224432]  [<ffffffff8104f6fb>] usleep_range+0x3b/0x40
[   13.224437]  [<ffffffffa003733a>] bcma_pcie_mdio_read.isra.5+0x8a/0x100 [bcma]
[   13.224442]  [<ffffffffa00374a5>] bcma_pcie_mdio_writeread.isra.6.constprop.13+0x25/0x30 [bcma]
[   13.224448]  [<ffffffffa00374f9>] bcma_core_pci_power_save+0x49/0x80 [bcma]
[   13.224452]  [<ffffffffa003765d>] bcma_core_pci_up+0x2d/0x60 [bcma]
[   13.224460]  [<ffffffffa03dc17c>] brcms_c_up+0xfc/0x430 [brcmsmac]
[   13.224467]  [<ffffffffa03d1a7d>] brcms_up+0x1d/0x20 [brcmsmac]
[   13.224473]  [<ffffffffa03d2498>] brcms_ops_start+0x298/0x340 [brcmsmac]
[   13.224478]  [<ffffffff81600a12>] ? cfg80211_netdev_notifier_call+0xd2/0x5f0
[   13.224483]  [<ffffffff815fa53d>] ? packet_notifier+0xad/0x1d0
[   13.224487]  [<ffffffff81656e75>] ieee80211_do_open+0x325/0xf80
[   13.224491]  [<ffffffff8106ac09>] ? __raw_notifier_call_chain+0x9/0x10
[   13.224495]  [<ffffffff81657b41>] ieee80211_open+0x71/0x80
[   13.224498]  [<ffffffff81526267>] __dev_open+0x87/0xe0
[   13.224502]  [<ffffffff8152650c>] __dev_change_flags+0x9c/0x180
[   13.224505]  [<ffffffff815266a3>] dev_change_flags+0x23/0x70
[   13.224509]  [<ffffffff8158cd68>] devinet_ioctl+0x5b8/0x6a0
[   13.224512]  [<ffffffff8158d5c5>] inet_ioctl+0x75/0x90
[   13.224516]  [<ffffffff8150b38b>] sock_do_ioctl+0x2b/0x70
[   13.224519]  [<ffffffff8150b681>] sock_ioctl+0x71/0x2a0
[   13.224523]  [<ffffffff8114ed47>] do_vfs_ioctl+0x87/0x520
[   13.224528]  [<ffffffff8113f159>] ? ____fput+0x9/0x10
[   13.224533]  [<ffffffff8106228c>] ? task_work_run+0x9c/0xd0
[   13.224537]  [<ffffffff8114f271>] SyS_ioctl+0x91/0xb0
[   13.224541]  [<ffffffff816aa252>] system_call_fastpath+0x16/0x1b

Cc: <stable@vger.kernel.org> # 3.11.x
Cc: Tod Jackson <tod.jackson@gmail.com>
Cc: Joe Perches <joe@perches.com>
Cc: Rafal Milecki <zajec5@gmail.com>
Cc: Hauke Mehrtens <hauke@hauke-m.de>
Reviewed-by: Hante Meuleman <meuleman@broadcom.com>
Signed-off-by: Arend van Spriel <arend@broadcom.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2013-09-26 14:02:34 -04:00
Arend van Spriel
db4efbbeb4 brcmfmac: obtain platform data upon module initialization
The driver uses platform_driver_probe() to obtain platform data
if any. However, that function is placed in the .init section so
it must be called upon driver module initialization.

The problem was reported by Fenguang Wu resulting in a kernel
oops because the .init section was already freed.

[   48.966342] Switched to clocksource tsc
[   48.970002] kernel tried to execute NX-protected page - exploit attempt? (uid: 0)
[   48.970851] BUG: unable to handle kernel paging request at ffffffff82196446
[   48.970957] IP: [<ffffffff82196446>] classes_init+0x26/0x26
[   48.970957] PGD 1e76067 PUD 1e77063 PMD f388063 PTE 8000000002196163
[   48.970957] Oops: 0011 [#1]
[   48.970957] CPU: 0 PID: 17 Comm: kworker/0:1 Not tainted 3.11.0-rc7-00444-gc52dd7f #23
[   48.970957] Workqueue: events brcmf_driver_init
[   48.970957] task: ffff8800001d2000 ti: ffff8800001d4000 task.ti: ffff8800001d4000
[   48.970957] RIP: 0010:[<ffffffff82196446>]  [<ffffffff82196446>] classes_init+0x26/0x26
[   48.970957] RSP: 0000:ffff8800001d5d40  EFLAGS: 00000286
[   48.970957] RAX: 0000000000000001 RBX: ffffffff820c5620 RCX: 0000000000000000
[   48.970957] RDX: 0000000000000001 RSI: ffffffff816f7380 RDI: ffffffff820c56c0
[   48.970957] RBP: ffff8800001d5d50 R08: ffff8800001d2508 R09: 0000000000000002
[   48.970957] R10: 0000000000000000 R11: 0001f7ce298c5620 R12: ffff8800001c76b0
[   48.970957] R13: ffffffff81e91d40 R14: 0000000000000000 R15: ffff88000e0ce300
[   48.970957] FS:  0000000000000000(0000) GS:ffffffff81e84000(0000) knlGS:0000000000000000
[   48.970957] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
[   48.970957] CR2: ffffffff82196446 CR3: 0000000001e75000 CR4: 00000000000006b0
[   48.970957] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   48.970957] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
[   48.970957] Stack:
[   48.970957]  ffffffff816f7df8 ffffffff820c5620 ffff8800001d5d60 ffffffff816eeec9
[   48.970957]  ffff8800001d5de0 ffffffff81073dc5 ffffffff81073d68 ffff8800001d5db8
[   48.970957]  0000000000000086 ffffffff820c5620 ffffffff824f7fd0 0000000000000000
[   48.970957] Call Trace:
[   48.970957]  [<ffffffff816f7df8>] ? brcmf_sdio_init+0x18/0x70
[   48.970957]  [<ffffffff816eeec9>] brcmf_driver_init+0x9/0x10
[   48.970957]  [<ffffffff81073dc5>] process_one_work+0x1d5/0x480
[   48.970957]  [<ffffffff81073d68>] ? process_one_work+0x178/0x480
[   48.970957]  [<ffffffff81074188>] worker_thread+0x118/0x3a0
[   48.970957]  [<ffffffff81074070>] ? process_one_work+0x480/0x480
[   48.970957]  [<ffffffff8107aa17>] kthread+0xe7/0xf0
[   48.970957]  [<ffffffff810829f7>] ? finish_task_switch.constprop.57+0x37/0xd0
[   48.970957]  [<ffffffff8107a930>] ? __kthread_parkme+0x80/0x80
[   48.970957]  [<ffffffff81a6923a>] ret_from_fork+0x7a/0xb0
[   48.970957]  [<ffffffff8107a930>] ? __kthread_parkme+0x80/0x80
[   48.970957] Code: cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc
cc cc cc cc cc cc <cc> cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc
[   48.970957] RIP  [<ffffffff82196446>] classes_init+0x26/0x26
[   48.970957]  RSP <ffff8800001d5d40>
[   48.970957] CR2: ffffffff82196446
[   48.970957] ---[ end trace 62980817cd525f14 ]---

Cc: <stable@vger.kernel.org> # 3.10.x, 3.11.x
Reported-by: Fengguang Wu <fengguang.wu@intel.com>
Reviewed-by: Hante Meuleman <meuleman@broadcom.com>
Reviewed-by: Pieter-Paul Giesberts <pieterpg@broadcom.com>
Tested-by: Fengguang Wu <fengguang.wu@intel.com>
Signed-off-by: Arend van Spriel <arend@broadcom.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2013-09-26 14:02:33 -04:00
Bing Zhao
346ece0b7b mwifiex: fix NULL pointer dereference in usb suspend handler
Bug 60815 - Interface hangs in mwifiex_usb
https://bugzilla.kernel.org/show_bug.cgi?id=60815

[ 2.883807] BUG: unable to handle kernel NULL pointer dereference
            at 0000000000000048
[ 2.883813] IP: [<ffffffff815a65e0>] pfifo_fast_enqueue+0x90/0x90

[ 2.883834] CPU: 1 PID: 3220 Comm: kworker/u8:90 Not tainted
            3.11.1-monotone-l0 #6
[ 2.883834] Hardware name: Microsoft Corporation Surface with
            Windows 8 Pro/Surface with Windows 8 Pro,
            BIOS 1.03.0450 03/29/2013

On Surface Pro, suspend to ram gives a NULL pointer dereference in
pfifo_fast_enqueue(). The stack trace reveals that the offending
call is clearing carrier in mwifiex_usb suspend handler.

Since commit 1499d9f "mwifiex: don't drop carrier flag over suspend"
has removed the carrier flag handling over suspend/resume in SDIO
and PCIe drivers, I'm removing it in USB driver too. This also fixes
the bug for Surface Pro.

Cc: <stable@vger.kernel.org> # 3.5+
Tested-by: Dmitry Khromov <icechrome@gmail.com>
Signed-off-by: Bing Zhao <bzhao@marvell.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2013-09-26 14:02:33 -04:00
Amitkumar Karwar
bd1c6142ed mwifiex: fix hang issue for USB chipsets
Bug 60815 - Interface hangs in mwifiex_usb
https://bugzilla.kernel.org/show_bug.cgi?id=60815

We have 4 bytes of interface header for packets delivered to SDIO
and PCIe, but not for USB interface.

In Tx AMSDU case, currently 4 bytes of garbage data is unnecessarily
appended for USB packets. This sometimes leads to a firmware hang,
because it may not interpret the data packet correctly.

Problem is fixed by removing this redundant headroom for USB.

Cc: <stable@vger.kernel.org> # 3.5+
Tested-by: Dmitry Khromov <icechrome@gmail.com>
Signed-off-by: Amitkumar Karwar <akarwar@marvell.com>
Signed-off-by: Bing Zhao <bzhao@marvell.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2013-09-26 14:02:32 -04:00
Christian Lamparter
1e43692cdb p54usb: add USB ID for Corega WLUSB2GTST USB adapter
Added USB ID for Corega WLUSB2GTST USB adapter.

Cc: <stable@vger.kernel.org>
Reported-by: Joerg Kalisch <the_force@gmx.de>
Signed-off-by: Christian Lamparter <chunkeey@googlemail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2013-09-26 14:02:32 -04:00
Solomon Peachy
87421cb601 cw1200: Use a threaded oneshot irq handler for cw1200_spi
This supercedes the older patch ("cw1200: Don't perform SPI transfers in
interrupt context") that badly attempted to fix this problem.

This is a far simpler solution, which has the added benefit of
actually working.

Signed-off-by: Solomon Peachy <pizza@shaftnet.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2013-09-26 14:02:31 -04:00
Solomon Peachy
c4fb19d21b Revert "cw1200: Don't perform SPI transfers in interrupt context"
This reverts commit aec8e88c94.

This solution turned out to cause interrupt delivery problems, and
rather than trying to fix this approach, it has been scrapped in favor
of an alternative (and far simpler) implementation.

Signed-off-by: Solomon Peachy <pizza@shaftnet.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2013-09-26 14:02:31 -04:00
Bing Zhao
b7be1522de mwifiex: fix PCIe hs_cfg cancel cmd timeout
For pcie8897, the hs_cfg cancel command (0xe5) times out when host
comes out of suspend. This is caused by an incompleted host sleep
handshake between driver and firmware.

Like SDIO interface, PCIe also needs to go through firmware power
save events to complete the handshake for host sleep configuration.
Only USB interface doesn't require power save events for hs_cfg.

Cc: <stable@vger.kernel.org> # 3.10+
Signed-off-by: Bing Zhao <bzhao@marvell.com>
Signed-off-by: Amitkumar Karwar <akarwar@marvell.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2013-09-26 14:02:31 -04:00
Larry Finger
60ce314d17 rtlwifi: Align private space in rtl_priv struct
The private array at the end of the rtl_priv struct is not aligned.
On ARM architecture, this causes an alignment trap and is fixed by aligning
that array with __align(sizeof(void *)). That should properly align that
space according to the requirements of all architectures.

Reported-by: Jason Andrews <jasona@cadence.com>
Tested-by: Jason Andrews <jasona@cadence.com>
Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Cc: Stable <stable@vger.kernel.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2013-09-26 14:02:30 -04:00
Felix Fietkau
919123d246 ath9k: add txq locking for ath_tx_aggr_start
Prevents race conditions when un-aggregated frames are pending in the
driver.

Signed-off-by: Felix Fietkau <nbd@openwrt.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2013-09-26 14:02:30 -04:00
Alexey Khoroshilov
e78641c19d p54usb: fix leak at failure path in p54u_load_firmware()
If request_firmware_nowait() fails in p54u_load_firmware(),
p54u_load_firmware_cb is not called and no one decrements usb_dev refcnt.

Found by Linux Driver Verification project (linuxtesting.org).

Signed-off-by: Alexey Khoroshilov <khoroshilov@ispras.ru>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2013-09-26 14:02:29 -04:00
Felix Fietkau
20e6e55aaa ath9k: don't use BAW tracking on PS responses for non-AMPDU packets
When .release_buffered_frames was implemented, only A-MPDU packets were
buffered internally. Now that this has changed, the BUF_AMPDU flag needs
to be checked before calling ath_tx_addto_baw

Signed-off-by: Felix Fietkau <nbd@openwrt.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2013-09-26 14:02:29 -04:00
Sujith Manoharan
d29a5fd888 ath9k: Fix regression in LNA diversity
The commit "ath9k: Optimize LNA check" tried
to use the "rs_firstaggr" flag to optimize the LNA
combining algorithm when processing subframes in
an A-MPDU. This doesn't appear to work well in practice,
so revert it and use the old method of relying on
"rs_moreaggr".

Cc: stable@vger.kernel.org # 3.11
Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2013-09-26 14:02:29 -04:00
Felix Fietkau
440c1c874a ath9k: do not link bf_next across multiple A-MPDUs
This might trip up tx completion processing, although the condition that
triggers this should not (yet) occur in practice.

Signed-off-by: Felix Fietkau <nbd@openwrt.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2013-09-26 14:02:28 -04:00
Felix Fietkau
86c7d8d416 ath9k: fix stale flag handling on buffer clone
Fixes a regression from commit
"ath9k: shrink a few data structures by reordering fields"

When cloning a buffer, the stale flag (part of bf_state now) needs to be
reset after copying the state to prevent tx processing hangs.

Signed-off-by: Felix Fietkau <nbd@openwrt.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2013-09-26 14:02:28 -04:00
Marek Puzyniak
52fa019155 ath10k: make monitor vdev down before stoping it
Following sequence causes FW crash:
-monitor vdev up,
-monitor vdev stop,
-monitor vdev delete.
Making monitor vdev down before stoping it works ok:
-monitor vdev up,
-monitor vdev down,
-monitor vdev stop,
-monitor vdev delete.

Signed-off-by: Marek Puzyniak <marek.puzyniak@tieto.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
2013-09-26 17:30:24 +03:00
Michal Kazior
6e712d427c ath10k: replenish HTT RX buffers in a tasklet
This starves FW RX ring buffer in case of
excessive RX. This prevents from CPU being
overwhelmed by RX indications/completions by
naturally forbiddin FW to submit more RX.

This fixes RX starvation on slow machines when
under heavy RX traffic.

kvalo: remove extra newline

Signed-off-by: Michal Kazior <michal.kazior@tieto.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
2013-09-26 17:22:54 +03:00
Michal Kazior
4d316c79a5 ath10k: align RX frames properly
Ethernet-like decapping mode leaves IP protocol
frame not aligned to 4-byte boundaries. This leads
to re-aligning in mac80211 which in turn leads to
poor CPU cache behaviour on some machines.

Since HW doesn't allow to change payload offset
properly the solution is to force HW to decap in
Native Wifi mode which always has 24-bytes long
802.11 header (even for QoS frames). This means IP
frame is properly aligned in this decap mode.

Signed-off-by: Michal Kazior <michal.kazior@tieto.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
2013-09-26 10:12:24 +03:00
Michal Kazior
784f69d31b ath10k: fix Native Wifi decap mode RX
NWifi decap mode always reports 802.11 Data
Frames, even when QoS Data Frames are actually
received.

This made mac80211 not report frame priority
properly (since there was no QoS Control field).

Signed-off-by: Michal Kazior <michal.kazior@tieto.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
2013-09-26 10:12:23 +03:00
Michal Kazior
e3fbf8d22a ath10k: cleanup RX decap handling
Simplify decapping code and make it easier to
understand.

Signed-off-by: Michal Kazior <michal.kazior@tieto.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
2013-09-26 10:12:23 +03:00
Michal Kazior
26d1e9c261 ath10k: document decap modes
Clarify how each decap mode works in one place.

Signed-off-by: Michal Kazior <michal.kazior@tieto.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
2013-09-26 10:12:23 +03:00
Michal Kazior
f6dc2095a0 ath10k: report A-MSDU subframes individually
HW reports each A-MSDU subframe as a separate
sk_buff. It is impossible to configure it to
behave differently.

Until now ath10k was reconstructing A-MSDUs from
subframes which involved a lot of memory
operations. This proved to be a significant
contributor to degraded RX performance.

Signed-off-by: Michal Kazior <michal.kazior@tieto.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
2013-09-26 10:12:22 +03:00
Joe Perches
a958df5dc3 rtlwifi: Remove extern from function prototypes
There are a mix of function prototypes with and without extern
in the kernel sources.  Standardize on not using extern for
function prototypes.

Function prototypes don't need to be written with extern.
extern is assumed by the compiler.  Its use is as unnecessary as
using auto to declare automatic/local variables in a block.

Signed-off-by: Joe Perches <joe@perches.com>
2013-09-24 18:06:51 -07:00
Joe Perches
53406cd734 orinoco: Remove extern from function prototypes
There are a mix of function prototypes with and without extern
in the kernel sources.  Standardize on not using extern for
function prototypes.

Function prototypes don't need to be written with extern.
extern is assumed by the compiler.  Its use is as unnecessary as
using auto to declare automatic/local variables in a block.

Signed-off-by: Joe Perches <joe@perches.com>
2013-09-24 18:06:22 -07:00
Joe Perches
b3a7cd1948 mwifiex: Remove extern from function prototypes
There are a mix of function prototypes with and without extern
in the kernel sources.  Standardize on not using extern for
function prototypes.

Function prototypes don't need to be written with extern.
extern is assumed by the compiler.  Its use is as unnecessary as
using auto to declare automatic/local variables in a block.

Signed-off-by: Joe Perches <joe@perches.com>
2013-09-24 18:05:53 -07:00
Joe Perches
b3818394cc iwlwifi: Remove extern from function prototypes
There are a mix of function prototypes with and without extern
in the kernel sources.  Standardize on not using extern for
function prototypes.

Function prototypes don't need to be written with extern.
extern is assumed by the compiler.  Its use is as unnecessary as
using auto to declare automatic/local variables in a block.

Signed-off-by: Joe Perches <joe@perches.com>
2013-09-24 18:05:40 -07:00
Joe Perches
6890ba72f5 iwlegacy: Remove extern from function prototypes
There are a mix of function prototypes with and without extern
in the kernel sources.  Standardize on not using extern for
function prototypes.

Function prototypes don't need to be written with extern.
extern is assumed by the compiler.  Its use is as unnecessary as
using auto to declare automatic/local variables in a block.

Signed-off-by: Joe Perches <joe@perches.com>
2013-09-24 18:05:24 -07:00
Joe Perches
89eb744f1a ipw2x00: Remove extern from function prototypes
There are a mix of function prototypes with and without extern
in the kernel sources.  Standardize on not using extern for
function prototypes.

Function prototypes don't need to be written with extern.
extern is assumed by the compiler.  Its use is as unnecessary as
using auto to declare automatic/local variables in a block.

Signed-off-by: Joe Perches <joe@perches.com>
2013-09-24 18:05:03 -07:00
Joe Perches
9bd91f3c00 brcm80211: Remove extern from function prototypes
There are a mix of function prototypes with and without extern
in the kernel sources.  Standardize on not using extern for
function prototypes.

Function prototypes don't need to be written with extern.
extern is assumed by the compiler.  Its use is as unnecessary as
using auto to declare automatic/local variables in a block.

Signed-off-by: Joe Perches <joe@perches.com>
2013-09-24 17:32:48 -07:00
Joe Perches
a3dabaf02d ath: Remove extern from function prototypes
There are a mix of function prototypes with and without extern
in the kernel sources.  Standardize on not using extern for
function prototypes.

Function prototypes don't need to be written with extern.
extern is assumed by the compiler.  Its use is as unnecessary as
using auto to declare automatic/local variables in a block.

Signed-off-by: Joe Perches <joe@perches.com>
2013-09-24 16:52:29 -07:00
Russell King
de71f98800 DMA-API: net: b43legacy: replace dma_set_mask()+dma_set_coherent_mask() with new helper
Replace the following sequence:

	dma_set_mask(dev, mask);
	dma_set_coherent_mask(dev, mask);

with a call to the new helper dma_set_mask_and_coherent().

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2013-09-21 21:02:23 +01:00
Russell King
e1390a2adc DMA-API: net: b43: replace dma_set_mask()+dma_set_coherent_mask() with new helper
Replace the following sequence:

	dma_set_mask(dev, mask);
	dma_set_coherent_mask(dev, mask);

with a call to the new helper dma_set_mask_and_coherent().

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2013-09-21 21:02:22 +01:00
Michal Kazior
1f8bb1518e ath10k: use msdu headroom to store txfrag
Instead of allocating sk_buff for a mere 16-byte
tx fragment list buffer use headroom of the
original msdu sk_buff.

This decreases CPU cache pressure and improves
performance.

Measured improvement on AP135 is 560mbps ->
590mbps of UDP TX briding traffic.

Signed-off-by: Michal Kazior <michal.kazior@tieto.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
2013-09-20 08:18:10 +03:00
Michal Kazior
2f3773bcaf ath10k: cleanup HTT TX functions
Use a saner goto scheme for failure handling. Also
group operations more sensibly.

Signed-off-by: Michal Kazior <michal.kazior@tieto.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
2013-09-20 08:18:10 +03:00
Michal Kazior
0a89f8a01d ath10k: decouple HTT TX completions
Until now the all MSDU transfer related structures
were freed when all resources were unreferenced.

Now HTC transfer is freed independently and HTT
transfer is so too.

This yields a way more simpler ath10k_skb_cb and
should possibly enable parallel pipe processing
(which is now serialized in
ath10k_pci_process_ce routine).

Signed-off-by: Michal Kazior <michal.kazior@tieto.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
2013-09-20 08:18:09 +03:00
Michal Kazior
27bb178dae ath10k: avoid needless memset on TX path
This reduces number of memory accesses and
hopefully contributes to better performance in the
future.

Signed-off-by: Michal Kazior <michal.kazior@tieto.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
2013-09-20 08:18:09 +03:00
Michal Kazior
0945baf7d4 ath10k: use num_pending_tx instead of msdu id bitmap
It's more efficient to simply check num_pending_tx
value instead of traversing whole bitmap of
msdu ids.

Signed-off-by: Michal Kazior <michal.kazior@tieto.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
2013-09-20 08:18:09 +03:00
Michal Kazior
1073ab2e9b ath10k: fix num_sends_allowed replenishing
Commit e9bb0aa39 ("ath10k: delete struct ce_sendlist") broke
num_sends_allowed incrementing. num_sends_allowed
exceeded initial values and could overflow.

This code was supposed to replenish
num_sends_allowed for partial sendlist items (i.e.
before final sendlist item from a sendlist was
completed and could be processed by completion
handlers).

Fortunately it seems it did not cause any major breakage,
yet.

Signed-off-by: Michal Kazior <michal.kazior@tieto.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
2013-09-20 08:04:31 +03:00
Michal Kazior
9e84f653ac ath10k: fix tracing build for ath10k_wmi_cmd
Commit be8b394390 ("ath10k: make WMI commands block by design") broke
the build if CONFIG_ATH10K_TRACING was enabled.

Reported-by: kbuild test robot <fengguang.wu@intel.com>
Signed-off-by: Michal Kazior <michal.kazior@tieto.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
2013-09-20 07:59:29 +03:00
Linus Torvalds
b75ff5e84b Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Pull networking fixes from David Miller:

 1) If the local_df boolean is set on an SKB we have to allocate a
    unique ID even if IP_DF is set in the ipv4 headers, from Ansis
    Atteka.

 2) Some fixups for the new chipset support that went into the sfc
    driver, from Ben Hutchings.

 3) Because SCTP bypasses a good chunk of, and actually duplicates, the
    logic of the ipv6 output path, some IPSEC things don't get done
    properly.  Integrate SCTP better into the ipv6 output path so that
    these problems are fixed and such issues don't get missed in the
    future either.  From Daniel Borkmann.

 4) Fix skge regressions added by the DMA mapping error return checking
    added in v3.10, from Mikulas Patocka.

 5) Kill some more IRQF_DISABLED references, from Michael Opdenacker.

 6) Fix races and deadlocks in the bridging code, from Hong Zhiguo.

 7) Fix error handling in tun_set_iff(), in particular don't leak
    resources.  From Jason Wang.

 8) Prevent format-string injection into xen-netback driver, from Kees
    Cook.

 9) Fix regression added to netpoll ARP packet handling, in particular
    check for the right ETH_P_ARP protocol code.  From Sonic Zhang.

10) Try to deal with AMD IOMMU errors when using r8169 chips, from
    Francois Romieu.

11) Cure freezes due to recent changes in the rt2x00 wireless driver,
    from Stanislaw Gruszka.

12) Don't do SPI transfers (which can sleep) in interrupt context in
    cw1200 driver, from Solomon Peachy.

13) Fix LEDs handling bug in 5720 tg3 chips already handled for 5719.
    From Nithin Sujir.

14) Make xen_netbk_count_skb_slots() count the actual number of slots
    that will be used, taking into consideration packing and other
    issues that the transmit path will run into.  From David Vrabel.

15) Use the correct maximum age when calculating the bridge
    message_age_timer, from Chris Healy.

16) Get rid of memory leaks in mcs7780 IRDA driver, from Alexey
    Khoroshilov.

17) Netfilter conntrack extensions were converted to RCU but are not
    always freed properly using kfree_rcu().  Fix from Michal Kubecek.

18) VF reset recovery not being done correctly in qlcnic driver, from
    Manish Chopra.

19) Fix inverted test in ATM nicstar driver, from Andy Shevchenko.

20) Missing workqueue destroy in cxgb4 error handling, from Wei Yang.

21) Internal switch not initialized properly in bgmac driver, from Rafał
    Miłecki.

22) Netlink messages report wrong local and remote addresses in IPv6
    tunneling, from Ding Zhi.

23) ICMP redirects should not generate socket errors in DCCP and SCTP.
    We're still working out how this should be handled for RAW and UDP
    sockets.  From Daniel Borkmann and Duan Jiong.

24) We've had several bugs wherein the network namespace's loopback
    device gets accessed after it is free'd, NULL it out so that we can
    catch these problems more readily.  From Eric W Biederman.

25) Fix regression in TCP RTO calculations, from Neal Cardwell.

26) Fix too early free of xen-netback network device when VIFs still
    exist.  From Paul Durrant.

* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: (87 commits)
  netconsole: fix a deadlock with rtnl and netconsole's mutex
  netpoll: fix NULL pointer dereference in netpoll_cleanup
  skge: fix broken driver
  ip: generate unique IP identificator if local fragmentation is allowed
  ip: use ip_hdr() in __ip_make_skb() to retrieve IP header
  xen-netback: Don't destroy the netdev until the vif is shut down
  net:dccp: do not report ICMP redirects to user space
  cnic: Fix crash in cnic_bnx2x_service_kcq()
  bnx2x, cnic, bnx2i, bnx2fc: Fix bnx2i and bnx2fc regressions.
  vxlan: Avoid creating fdb entry with NULL destination
  tcp: fix RTO calculated from cached RTT
  drivers: net: phy: cicada.c: clears warning Use #include <linux/io.h> instead of <asm/io.h>
  net loopback: Set loopback_dev to NULL when freed
  batman-adv: set the TAG flag for the vid passed to BLA
  netfilter: nfnetlink_queue: use network skb for sequence adjustment
  net: sctp: rfc4443: do not report ICMP redirects to user space
  net: usb: cdc_ether: use usb.h macros whenever possible
  net: usb: cdc_ether: fix checkpatch errors and warnings
  net: usb: cdc_ether: Use wwan interface for Telit modules
  ip6_tunnels: raddr and laddr are inverted in nl msg
  ...
2013-09-19 13:57:28 -05:00
Michal Kazior
5c6c82df6b ath10k: remove wmi event worker thread
It's not really necessary to have this processed
in a worker. There are no sleepable calls (and
actually shouldn't be).

Signed-off-by: Michal Kazior <michal.kazior@tieto.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
2013-09-16 19:47:46 +03:00
Michal Kazior
7cc2301636 ath10k: remove wmi pending count limit
It is no longer used nor necessary since WMI
commands can block.

Signed-off-by: Michal Kazior <michal.kazior@tieto.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
2013-09-16 19:47:46 +03:00
Michal Kazior
ed54388a38 ath10k: improve beacon submission latency
The patch prevents beacon misses in some case of
heavy load on a system.

If a beacon can't be transmitted directly from an
SWBA event it will be left in arvif->beacon and
transmission will be retried once TX credits
become available.

Signed-off-by: Michal Kazior <michal.kazior@tieto.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
2013-09-16 19:47:46 +03:00
Michal Kazior
12acbc43c1 ath10k: simplify HTC command submitting
The patch removes HTC endpoint tx workers in
favour of direct command submission. This makes a
lot more sense for data path.

mac80211 queues are effectively stopped/woken up
in a more timely fashion preventing build up of
frames. It's possible to push more traffic than
the device/system is able to handle and have no
hiccups or performance degradation with UDP
traffic.

WMI commands will now report errors properly and
possibly block as they actively can wait for tx
credits to become available.

Signed-off-by: Michal Kazior <michal.kazior@tieto.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
2013-09-16 19:47:46 +03:00
Michal Kazior
be8b394390 ath10k: make WMI commands block by design
This will be necessary for further changes in
command submission scheme.

Once HTC is cleaned up WMI commands will finally
block.

This requires for SWBA to be processed in a
non-atomic context for now. Once other necessary
changes are in this will be reverted.

Signed-off-by: Michal Kazior <michal.kazior@tieto.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
2013-09-16 19:47:46 +03:00
Michal Kazior
88e65fc337 ath10k: add HTC TX credits replenishing notification
This will allow higher layers to anticipate and
act upon TX credits renewal. This will be
important for some future rework of WMI command
submission.

Signed-off-by: Michal Kazior <michal.kazior@tieto.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
2013-09-16 19:47:46 +03:00
Michal Kazior
eeed3765f3 ath10k: simplify HTC credits calculation
Credit calculation was overly complex
unnecessarily. Now skb dequeing is more unified.

Signed-off-by: Michal Kazior <michal.kazior@tieto.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
2013-09-16 19:47:45 +03:00
Martin Schwidefsky
0244ad004a Remove GENERIC_HARDIRQ config option
After the last architecture switched to generic hard irqs the config
options HAVE_GENERIC_HARDIRQS & GENERIC_HARDIRQS and the related code
for !CONFIG_GENERIC_HARDIRQS can be removed.

Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
2013-09-13 15:09:52 +02:00
Jingoo Han
3699ddc55f wireless: ath10k: remove unnecessary pci_set_drvdata()
The driver core clears the driver data to NULL after device_release
or on probe failure. Thus, it is not needed to manually clear the
device driver data to NULL.

Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
2013-09-12 19:22:08 +03:00
Kalle Valo
e9bb0aa39b ath10k: delete struct ce_sendlist
struct ce_sendlist is useless as we always add just one buffer onto it.
And most importantly, it's ugly as it doesn't use skb properly.

Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
2013-09-12 19:20:30 +03:00
Sujith Manoharan
7cc45e98e5 ath10k: Calculate correct peer PHY mode for VHT
The peer PHY mode for 11ac operation needs to be determined
properly based on the channel bandwidth being used. Fix
this so that the proper mode is given to the firmware.

kvalo: earlier we used 11na-ht20 in STA mode for 11ac AP peer, this
patch changes that to 11ac-vht80. I didn't notice any change in
throughput in my tests, but nevertheless it's the right thing
to do.

Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
2013-09-12 19:12:52 +03:00
Kalle Valo
38a1d47ed5 ath10k: print phymode as a string
Makes it easier to read debug logs.

Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
2013-09-12 18:21:37 +03:00
Kalle Valo
60c3daa888 ath10k: clean mac.c debug messages
Just to unify with the rest of debug messages. Minimal functional changes,
only major ones are removal of the awkward "else" style in debug
messages.

Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
2013-09-12 18:21:37 +03:00
Kalle Valo
aad0b65f5c ath10k: add boot messages to htt.c
To unify the boot debug level.

Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
2013-09-12 18:21:37 +03:00
Kalle Valo
42a2efbc57 ath10k: add boot debug messages to htc.c
To unify the boot debug level.

Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
2013-09-12 18:21:37 +03:00
Kalle Valo
24cfade11e ath10k: add boot debug messages to pci.c and ce.c
To unify all boot related debug messages into one debug
level.

Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
2013-09-12 18:21:37 +03:00
Kalle Valo
effea9688d ath10k: cleanup debug messages in core.c
Fix them to follow the general logging style in ath10k.

While at it, add print id chip_id to the debug log.

Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
2013-09-12 18:21:37 +03:00
Kalle Valo
b52b7688ac ath10k: rename ATH10K_DBG_CORE to BOOT
core.c mostly deals with driver and firmware starting related
actions. And we can use the boot level also in other components,
like PCI and HTT.

Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
2013-09-12 18:21:36 +03:00
Kalle Valo
f0bbea9981 ath10k: add BMI log level
Also clean BMI log messages and add few more.

Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
2013-09-12 18:21:36 +03:00
Bartosz Markowski
4ed998dcbf ath10k: define ath10k_debug_start/_stop as static inline
Otherwise if CONFIG_ATH10K_DEBUGFS won't be set we will
end up with multiple definitions and compilation failure
in each place the header is included.

Signed-off-by: Bartosz Markowski <bartosz.markowski@tieto.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
2013-09-10 01:28:29 +03:00
Stanislaw Gruszka
f4e1a4d3ec rt2800: change initialization sequence to fix system freeze
My commit

commit c630ccf1a1
Author: Stanislaw Gruszka <stf_xl@wp.pl>
Date:   Sat Mar 16 19:19:46 2013 +0100

    rt2800: rearrange bbp/rfcsr initialization

make Maxim machine freeze when try to start wireless device.

Initialization order and sending MCU_BOOT_SIGNAL request, changed in
above commit, is important. Doing things incorrectly make PCIe bus
problems, which can froze the machine.

This patch change initialization sequence like vendor driver do:
function NICInitializeAsic() from
2011_1007_RT5390_RT5392_Linux_STA_V2.5.0.3_DPO (PCI devices) and
DPO_RT5572_LinuxSTA_2.6.1.3_20121022 (according Mediatek, latest driver
for RT8070/RT3070/RT3370/RT3572/RT5370/RT5372/RT5572 USB devices).
It fixes freezes on Maxim system.

Resolve:
https://bugzilla.redhat.com/show_bug.cgi?id=1000679

Reported-and-tested-by: Maxim Polyakov <polyakov@dexmalabs.com>
Bisected-by: Igor Gnatenko <i.gnatenko.brain@gmail.com>
Cc: stable@vger.kernel.org # 3.10+
Signed-off-by: Stanislaw Gruszka <sgruszka@redhat.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2013-09-09 14:44:34 -04:00
Alexey Khoroshilov
8a10da2646 rtl8187: fix use after free on failure path in rtl8187_init_urbs()
In case of __dev_alloc_skb() failure rtl8187_init_urbs()
calls usb_free_urb(entry) where 'entry' can points to urb
allocated at the previous iteration. That means refcnt will be
decremented incorrectly and the urb can be used after memory
deallocation.

The patch fixes the issue and implements error handling of init_urbs
in rtl8187_start().

Found by Linux Driver Verification project (linuxtesting.org).

Signed-off-by: Alexey Khoroshilov <khoroshilov@ispras.ru>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2013-09-09 14:42:00 -04:00
Arend van Spriel
c4bff5d99d brcmfmac: fix bus interface selection in Kconfig
The kernel configuration for the driver could result in
compilation issues as reported by Randy Dunlap. His results
are show below:

"on x86_64:

when
CONFIG_MMC=m
CONFIG_BRCMUTIL=y
CONFIG_BRCMFMAC=y
CONFIG_BRCMFMAC_SDIO=y

This bool kconfig symbol:

config BRCMFMAC_SDIO
	bool "SDIO bus interface support for FullMAC driver"
	depends on MMC

allows BRCMFMAC_SDIO to be y even when MMC=m.

Is there a reasonable solution to this?

This causes many build errors:

drivers/built-in.o: In function `brcmf_sdio_assert_info':
dhd_sdio.c:(.text+0x39609b): undefined reference to `sdio_claim_host'
dhd_sdio.c:(.text+0x3960d9): undefined reference to `sdio_release_host'
drivers/built-in.o: In function `brcmf_sdio_readframes':
dhd_sdio.c:(.text+0x396a62): undefined reference to `sdio_claim_host'
dhd_sdio.c:(.text+0x396a9b): undefined reference to `sdio_release_host'
..."

This patch adds the appropriate logic in Kconfig to resolve
these issues. The solution was provided by Hauke Mehrtens.

Reported-by: Randy Dunlap <rdunlap@infradead.org>
Cc: Hauke Mehrtens <hauke@hauke-m.de>
Reviewed-by: Hante Meuleman <meuleman@broadcom.com>
Reviewed-by: Pieter-Paul Giesberts <pieterpg@broadcom.com>
Signed-off-by: Arend van Spriel <arend@broadcom.com>
Acked-by: Randy Dunlap <rdunlap@infradead.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2013-09-09 14:40:54 -04:00
Solomon Peachy
85ba8f529c cw1200: Prevent a lock-related hang in the cw1200_spi driver
The cw1200_spi driver tries to mirror the cw1200_sdio driver's lock
API, which relies on sdio_claim_host/sdio_release_host to serialize
hardware operations across multiple threads.

Unfortunately the implementation was flawed, as it lacked a way to wake
up the lock requestor when there was contention, often resulting in a
hang.

This problem was uncovered while trying to fix the
spi-transfers-in-interrupt-context BUG() corrected in the previous
patch.  Many thanks to Dave Sizeburns for his assistance in fixing this.

Signed-off-by: Solomon Peachy <pizza@shaftnet.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2013-09-09 14:40:54 -04:00
Solomon Peachy
aec8e88c94 cw1200: Don't perform SPI transfers in interrupt context
When we get an interrupt from the hardware, the first thing the driver does
is tell the device to mask off the interrupt line.  Unfortunately this
involves a SPI transaction in interrupt context.  Some (most?) SPI
controllers perform the transfer asynchronously and try to sleep.
This is bad, and triggers a BUG().

So, work around this by using adding a hwbus hook for the cw1200 driver
core to call.  The cw1200_spi driver translates this into
irq_disable()/irq_enable() calls instead, which can safely be called in
interrupt context.

Apparently the platforms I used to develop the cw1200_spi driver used
synchronous spi_sync() implementations, which is why this didn't surface
until now.

Many thanks to Dave Sizeburns for the inital bug report and his services
as a tester.

Signed-off-by: Solomon Peachy <pizza@shaftnet.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2013-09-09 14:40:53 -04:00
Michal Kazior
5440ce2537 ath10k: prevent CE from looping indefinitely
The double while() could end up running forever.
Inner while() would complete very fast. However
the completion processing could take enough time
for more completions to flow in. In that case the
outer while() would not terminate and run again,
and again. This could happen especially on a slow
host system.

This could lead to a system freeze during heavy
traffic. Note: this doesn't solve all known
starvation issues yet.

Signed-off-by: Michal Kazior <michal.kazior@tieto.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
2013-09-08 17:59:32 +03:00
Linus Torvalds
2e515bf096 Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial
Pull trivial tree from Jiri Kosina:
 "The usual trivial updates all over the tree -- mostly typo fixes and
  documentation updates"

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial: (52 commits)
  doc: Documentation/cputopology.txt fix typo
  treewide: Convert retrun typos to return
  Fix comment typo for init_cma_reserved_pageblock
  Documentation/trace: Correcting and extending tracepoint documentation
  mm/hotplug: fix a typo in Documentation/memory-hotplug.txt
  power: Documentation: Update s2ram link
  doc: fix a typo in Documentation/00-INDEX
  Documentation/printk-formats.txt: No casts needed for u64/s64
  doc: Fix typo "is is" in Documentations
  treewide: Fix printks with 0x%#
  zram: doc fixes
  Documentation/kmemcheck: update kmemcheck documentation
  doc: documentation/hwspinlock.txt fix typo
  PM / Hibernate: add section for resume options
  doc: filesystems : Fix typo in Documentations/filesystems
  scsi/megaraid fixed several typos in comments
  ppc: init_32: Fix error typo "CONFIG_START_KERNEL"
  treewide: Add __GFP_NOWARN to k.alloc calls with v.alloc fallbacks
  page_isolation: Fix a comment typo in test_pages_isolated()
  doc: fix a typo about irq affinity
  ...
2013-09-06 09:36:28 -07:00
Bartosz Markowski
b8a1e00f1a ath10k: remove obsolete INIT STATUS definitions
There's no functional changes. Just a small cleanup.

Signed-off-by: Bartosz Markowski <bartosz.markowski@tieto.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
2013-09-06 12:50:46 +03:00
Bartosz Markowski
03fc137b50 ath10k: set the UART baud rate to 19200
When configuring the host_interests over BMI, set the UART
baud rate to 19200. This is valid for QCA988X_2.0 devices.

kvalo: found during code review, there should not be any functionality
changes

Signed-off-by: Bartosz Markowski <bartosz.markowski@tieto.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
2013-09-06 12:49:17 +03:00
Kalle Valo
a3d135e566 ath10k: add htt_stats_enable debugfs file
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
2013-09-06 12:42:26 +03:00
Kalle Valo
db66ea0442 ath10k: implement ath10k_debug_start/stop()
Needed for the HTT stats implementation.

Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
2013-09-06 12:42:26 +03:00
Kalle Valo
a9bf05062d ath10k: add trace event ath10k_htt_stats
For analysing various data path statistics in user space.

Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
2013-09-06 12:42:25 +03:00
Dave Jones
55d761b878 ath10k: add missing braces to ath10k_pci_tx_pipe_cleanup
The indentation here implies this was meant to be
a multi-statement if, but it lacks the braces.

kvalo: add "ath10k: " prefix

Signed-off-by: Dave Jones <davej@fedoraproject.org>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
2013-09-06 12:31:10 +03:00
Linus Torvalds
cc998ff881 Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next
Pull networking changes from David Miller:
 "Noteworthy changes this time around:

   1) Multicast rejoin support for team driver, from Jiri Pirko.

   2) Centralize and simplify TCP RTT measurement handling in order to
      reduce the impact of bad RTO seeding from SYN/ACKs.  Also, when
      both timestamps and local RTT measurements are available prefer
      the later because there are broken middleware devices which
      scramble the timestamp.

      From Yuchung Cheng.

   3) Add TCP_NOTSENT_LOWAT socket option to limit the amount of kernel
      memory consumed to queue up unsend user data.  From Eric Dumazet.

   4) Add a "physical port ID" abstraction for network devices, from
      Jiri Pirko.

   5) Add a "suppress" operation to influence fib_rules lookups, from
      Stefan Tomanek.

   6) Add a networking development FAQ, from Paul Gortmaker.

   7) Extend the information provided by tcp_probe and add ipv6 support,
      from Daniel Borkmann.

   8) Use RCU locking more extensively in openvswitch data paths, from
      Pravin B Shelar.

   9) Add SCTP support to openvswitch, from Joe Stringer.

  10) Add EF10 chip support to SFC driver, from Ben Hutchings.

  11) Add new SYNPROXY netfilter target, from Patrick McHardy.

  12) Compute a rate approximation for sending in TCP sockets, and use
      this to more intelligently coalesce TSO frames.  Furthermore, add
      a new packet scheduler which takes advantage of this estimate when
      available.  From Eric Dumazet.

  13) Allow AF_PACKET fanouts with random selection, from Daniel
      Borkmann.

  14) Add ipv6 support to vxlan driver, from Cong Wang"

Resolved conflicts as per discussion.

* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next: (1218 commits)
  openvswitch: Fix alignment of struct sw_flow_key.
  netfilter: Fix build errors with xt_socket.c
  tcp: Add missing braces to do_tcp_setsockopt
  caif: Add missing braces to multiline if in cfctrl_linkup_request
  bnx2x: Add missing braces in bnx2x:bnx2x_link_initialize
  vxlan: Fix kernel panic on device delete.
  net: mvneta: implement ->ndo_do_ioctl() to support PHY ioctls
  net: mvneta: properly disable HW PHY polling and ensure adjust_link() works
  icplus: Use netif_running to determine device state
  ethernet/arc/arc_emac: Fix huge delays in large file copies
  tuntap: orphan frags before trying to set tx timestamp
  tuntap: purge socket error queue on detach
  qlcnic: use standard NAPI weights
  ipv6:introduce function to find route for redirect
  bnx2x: VF RSS support - VF side
  bnx2x: VF RSS support - PF side
  vxlan: Notify drivers for listening UDP port changes
  net: usbnet: update addr_assign_type if appropriate
  driver/net: enic: update enic maintainers and driver
  driver/net: enic: Exposing symbols for Cisco's low latency driver
  ...
2013-09-05 14:54:29 -07:00
Linus Torvalds
27703bb4a6 PTR_RET() is a weird name, and led to some confusing usage. We ended
up with PTR_ERR_OR_ZERO(), and replacing or fixing all the usages.
 
 This has been sitting in linux-next for a whole cycle.
 
 Thanks,
 Rusty.
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Merge tag 'PTR_RET-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rusty/linux

Pull PTR_RET() removal patches from Rusty Russell:
 "PTR_RET() is a weird name, and led to some confusing usage.  We ended
  up with PTR_ERR_OR_ZERO(), and replacing or fixing all the usages.

  This has been sitting in linux-next for a whole cycle"

[ There are still some PTR_RET users scattered about, with some of them
  possibly being new, but most of them existing in Rusty's tree too.  We
  have that

      #define PTR_RET(p) PTR_ERR_OR_ZERO(p)

  thing in <linux/err.h>, so they continue to work for now  - Linus ]

* tag 'PTR_RET-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rusty/linux:
  GFS2: Replace PTR_RET with PTR_ERR_OR_ZERO
  Btrfs: volume: Replace PTR_RET with PTR_ERR_OR_ZERO
  drm/cma: Replace PTR_RET with PTR_ERR_OR_ZERO
  sh_veu: Replace PTR_RET with PTR_ERR_OR_ZERO
  dma-buf: Replace PTR_RET with PTR_ERR_OR_ZERO
  drivers/rtc: Replace PTR_RET with PTR_ERR_OR_ZERO
  mm/oom_kill: remove weird use of ERR_PTR()/PTR_ERR().
  staging/zcache: don't use PTR_RET().
  remoteproc: don't use PTR_RET().
  pinctrl: don't use PTR_RET().
  acpi: Replace weird use of PTR_RET.
  s390: Replace weird use of PTR_RET.
  PTR_RET is now PTR_ERR_OR_ZERO(): Replace most.
  PTR_RET is now PTR_ERR_OR_ZERO
2013-09-04 17:31:11 -07:00