Commit Graph

3296 Commits

Author SHA1 Message Date
John W. Linville
d9b8ae6bd8 Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-next into for-davem
Conflicts:
	drivers/net/wireless/iwlwifi/iwl-testmode.c
2012-04-26 15:03:48 -04:00
Vasanthakumar Thiagarajan
7fd1ce7eaf ath6kl: Don't advertise HT capability for incapable firmware
With firmwares which do not support rsn capability override
(ATH6KL_FW_CAPABILITY_RSN_CAP_OVERRIDE) from host would
cause 4-way handshake failure when HT cap is advertised.
To fix this, do not advertise HT cap with cfg80211 for
those fw.

kvalo: fix a checkpatch warning

Signed-off-by: Vasanthakumar Thiagarajan <vthiagar@qca.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
2012-04-26 15:04:37 +03:00
Naveen Gangadharan
6251d8012d ath6kl: Multicast filter support in wow suspend and non-suspend
This patch enables all multicast packets in non suspend mode
and enable multicast filtering in wow suspend mode. This also
fixes a bug in multicast where the driver assumed disable
multicast-all command disabled/filtered all multicast
packets, which was wrong assumption, because firmware will
apply the programmed filter.

Multicast requirements
 - Enable forward all multicast packets(no filtering) in
      non suspend mode.
 - Enable multicast filtering in wow suspend mode for both
      AP and CLIENT.

kvalo: fix a checkpatch warning and drop unrelated newline removal

Signed-off-by: Naveen Gangadharan <ngangadh@qca.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
2012-04-26 15:01:30 +03:00
Thomas Pedersen
03e2084a84 ath6kl: check for sband existence when creating scan cmd
The patch "ath6kl: support fw reporting phy capabilities" gave the
firmware the ability to disable certain wiphy supported bands. Check if
this is the case in ath6kl_wmi_beginscan_cmd to avoid dereferencing a
NULL pointer.

kvalo: change the patch so that there's no code between declarations

Signed-off-by: Thomas Pedersen <c_tpeder@qca.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
2012-04-25 09:36:00 +03:00
Luis R. Rodriguez
1560ac7d30 ath6kl: include in.h explicitly
Do not assume anyone before us includes it for us.

Signed-off-by: Luis R. Rodriguez <mcgrof@do-not-panic.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
2012-04-25 09:31:21 +03:00
Sujith Manoharan
ad12886091 ath9k: Fix IDLE Powersave
* PS_WAIT_FOR_TX_ACK is used in network-sleep mode and checking
  it for handling IDLE transitions is incorrect. Fix this.

* RX PCU/DMA engines have to be stopped before setting the chip into
  full-sleep mode - otherwise the chip becomes mute.

* Make things a bit clear by checking explicitly for network-sleep
  mode in the tx() routine and add a couple of debug statements
  to aid PS debugging.

Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-04-24 14:54:28 -04:00
David S. Miller
f24001941c Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Fix merge between commit 3adadc08cc ("net ax25: Reorder ax25_exit to
remove races") and commit 0ca7a4c87d ("net ax25: Simplify and
cleanup the ax25 sysctl handling")

The former moved around the sysctl register/unregister calls, the
later simply removed them.

With help from Stephen Rothwell.

Signed-off-by: David S. Miller <davem@davemloft.net>
2012-04-23 23:15:17 -04:00
Zefir Kurtisi
b96f20b3af ath9k: extend DFS detector stats in dfs_debugfs
Extend debugfs entry for dfs_stats with DFS detection events
and shared pool statistics.

Signed-off-by: Zefir Kurtisi <zefir.kurtisi@neratec.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-04-23 15:37:41 -04:00
Michael Liang
2a5783b817 ath9k: don't strip mic on non-encrypted frames in tkip
Fix the following bug: in tkip mode, qos-null ps on/off packets
are dropped due to incorrect packet length so that ath9k softap
can't handle powersave state transition of peer STA correctly.

Signed-off-by: Michael Liang <mliang@qca.qualcomm.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-04-23 15:35:33 -04:00
Felix Fietkau
8d1bd2afc5 ath9k_hw: increase tx abort timeout for half/quarter channels
Signed-off-by: Felix Fietkau <nbd@openwrt.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-04-23 15:35:32 -04:00
Felix Fietkau
feb7bc9951 ath9k_hw: disable fast channel change when changing from/to half/quarter mode
Signed-off-by: Felix Fietkau <nbd@openwrt.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-04-23 15:35:31 -04:00
Felix Fietkau
e5d821a4ff ath9k_hw: disable Tx IQ calibration on half/quarter channels
It does not work properly and reduces throughput.

Signed-off-by: Felix Fietkau <nbd@openwrt.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-04-23 15:35:31 -04:00
Felix Fietkau
7c5adc8d83 ath9k_hw: fix and clean up PHY activation delay
The delay calculation is the same for all chips, however some parts of the
code missed the extra delay factor for half/quarter.
Clean up the code and move the delay calculation to a common place.

Signed-off-by: Felix Fietkau <nbd@openwrt.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-04-23 15:35:31 -04:00
Felix Fietkau
3e61d3f9b2 ath9k_hw: increase symbol overlap window for half/quarter channels
Signed-off-by: Felix Fietkau <nbd@openwrt.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-04-23 15:35:31 -04:00
Felix Fietkau
08685ce30f ath9k_hw: set the PHY mode for half/quarter channels on AR9003
Signed-off-by: Felix Fietkau <nbd@openwrt.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-04-23 15:35:31 -04:00
Felix Fietkau
e115b7ec33 ath9k_hw: increase ACK timeout for half/quarter channels
For some reason the MAC timing is a bit off when waiting for ACKs, so add
some extra delay to the ACK timeout values. Significantly reduces the
number of retransmissions in my tests.
Also disable the 2.4 GHz ACK timeout workaround in half/quarter mode, it
is not required there.

Signed-off-by: Felix Fietkau <nbd@openwrt.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-04-23 15:35:30 -04:00
Felix Fietkau
e88e486115 ath9k_hw: use standard SIFS time as reference for half/quarter channels
Signed-off-by: Felix Fietkau <nbd@openwrt.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-04-23 15:35:30 -04:00
Rajkumar Manoharan
0466e2547d ath9k_hw: remove ATH_BTCOEX_CFG_MCI
AR9462 uses modified version of 3-Wire hw scheme for btcoex.
MCI itself is not a separate hw scheme but it aids to manage
multiple bt profiles. In ar9462, bt priority traffic is identified
by the number of bt profile types instead of gpio. So that this
patch removes MCI hw scheme.

Signed-off-by: Rajkumar Manoharan <rmanohar@qca.qualcomm.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-04-23 15:35:30 -04:00
Rajkumar Manoharan
ed2578cd24 ath9k: simplify beacon configuration for beaconing vifs
As of now beacon configuration is being called multiple times
in bss info change notification. This patch avoids multiple
configuration and make it simpler.

Signed-off-by: Rajkumar Manoharan <rmanohar@qca.qualcomm.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-04-23 15:35:30 -04:00
Zefir Kurtisi
78241bdcaf ath9k: make DFS detector pools SMP safe
This adds locking of the detector's shared pulse and PRI sequence
pools to enable multi-wiphy operation on SMP systems.

Signed-off-by: Zefir Kurtisi <zefir.kurtisi@neratec.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-04-23 15:35:30 -04:00
Gabor Juhos
75acd5a82a ath9k: fix TX power reporting on AR9003 chips
The current code unconditionally reads the target
power values for all modes from the EEPROM. However
In 'ar9003_hw_set_power_per_rate_table' the regulatory
caps are applied only on a mode specific subset of the
power values.

The reported TX power level is calculated from the
maximum of the power values. Because some of these
values are uncapped in certain cases, the reported
TX power will be wrong.

On the older chipset, we don't have such problems
because only the mode specific subset of the power
levels are retrieved from the EEPROM on those. Do
the same for the AR9003 chips to fix the issue.

Signed-off-by: Gabor Juhos <juhosg@openwrt.org>
Acked-by: Felix Fietkau <nbd@openwrt.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-04-23 15:34:06 -04:00
Ben Greear
990e08a0f6 ath9k: Fix compile warnings when DEBUGFS is disabled.
This fixes two compile warnings, and removes a useless
cast when assigning the 'sc' variable.

Reported-by: Gabor Juhos <juhosg@openwrt.org>
Signed-off-by: Ben Greear <greearb@candelatech.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-04-23 15:28:34 -04:00
Felix Fietkau
20c8e8dc4e ath9k: add possible wiphy interface combinations
Signed-off-by: Felix Fietkau <nbd@openwrt.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-04-23 15:28:33 -04:00
Gabor Juhos
83722bd4ae ath9k: fix tx power settings for AR9287
The 'ath9k_hw_update_regulatory_maxpower'
helper function has been introduced by
commit a55f858852
(ath9k_hw: Cleanup TX power calculation for AR9287).

Updating of the max_power_level value has been moved
into the helper function in that change, however the
removed code from 'ath9k_hw_ar9287_set_txpower' has
not been replaced with a call of the new helper
function.

Due to that missing call, retrieving tx power for 2x2
and 3x3 chainmask is not handled properly. During the
calculation of the tx power for 2x2 and 3x3 chainmasks
the values are reduced. Those reductions must be
compensated during retrieving.

Fix this by adding the missing call of the helper
function.

Signed-off-by: Gabor Juhos <juhosg@openwrt.org>
Acked-by: Sujith Manoharan <c_manoha@qca.qualcomm.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-04-23 14:56:11 -04:00
Gabor Juhos
64ea57d0c7 ath9k: add an extra boolean parameter to ath9k_hw_apply_txpower
In order to unifying regulatory limit handling
commit ca2c68cc7b
(ath9k_hw: clean up tx power handling) introduced
a new helper function 'ath9k_hw_apply_txpower',
and the direct calls of 'ah->eep_ops->set_txpower'
has been replaced by a call of the helper function.

This caused a change in the behaviour of the
'ath9k_hw_set_txpowerlimit' function. The purpose
of that function is to calculate and store the
rate txpower table and the regulatory limit without
touching the hardware registers. Before the commit,
the 'test' parameter of the function was passed to
the 'ah->eep_ops->set_txpower'. Now the calling of
the 'set_txpower' function happens indirectly through
'ath9k_hw_apply_txpower', so the 'test' argument of
the 'set_txpower' is always 'false'.

This patch restores the original behaviour of
'ath9k_hw_set_txpowerlimit' by adding a new
argument to 'ath9k_hw_apply_txpower.'

Signed-off-by: Gabor Juhos <juhosg@openwrt.org>
Acked-by: Felix Fietkau <nbd@openwrt.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-04-23 14:56:11 -04:00
Thomas Pedersen
92ada0468c ath6kl: unblock fwlog_block_read() on exit
Complete the waiting fwlog_block_read on debugfs cleanup, otherwise
userspace and module unload might softlock.

Signed-off-by: Thomas Pedersen <c_tpeder@qca.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
2012-04-23 14:38:20 +03:00
Dan Carpenter
b86aeb502a ath6kl: fix an indenting issue
This is supposed to be pushed in one indent level.

Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
2012-04-23 14:37:07 +03:00
Dan Carpenter
3acabc8807 ath6kl: change || to &&
The original conditions are always true.  I think && was intended here,
but I don't have the hardware to test.  Could you take a look?

kvalo: Chilam confirmed that the fix is valid

Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
2012-04-23 14:36:34 +03:00
Thomas Pedersen
77ed4e4583 ath6kl: disallow WoW with multiple vifs
The ath6kl fw does not have enough memory to support the WoW filters of
more than one vif. Disallow WoW suspend if this is the case.

Signed-off-by: Thomas Pedersen <c_tpeder@qca.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
2012-04-23 14:30:35 +03:00
Thomas Pedersen
37a2f950ac ath6kl: only restore supported HT caps
Now that we know the supported PHY capabilities, only restore supported
bands / HT capabilities in firmware when stopping AP.

Signed-off-by: Thomas Pedersen <c_tpeder@qca.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
2012-04-23 14:28:02 +03:00
Thomas Pedersen
d92917e4db ath6kl: support fw reporting phy capabilities
Currently the supported bands are just hard coded in the driver.
However, the ath6kl FW will include its 11n and band capabilites in a
WMI_READY event. Handle this and report capabilites to cfg80211
accordingly.

Signed-off-by: Thomas Pedersen <c_tpeder@qca.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
2012-04-23 14:28:00 +03:00
Ming Jiang
5699257f69 ath6kl clear the MMC_PM_KEEP_POWER for cutpower case
ath6kl: If wow deepsleep pno suspend failure driver will choose cutpower.
in this scenario MMC_PM_KEEP_POWER should be cleared so that mmc will power
off the ar6000

kvalo: remove extra parenthesis

Signed-off-by: Ming Jiang <mjiang@qca.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
2012-04-23 14:25:34 +03:00
John W. Linville
59ef43e681 Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-next into for-davem
Conflicts:
	drivers/net/wireless/iwlwifi/iwl-testmode.c
	include/net/nfc/nfc.h
	net/nfc/netlink.c
	net/wireless/nl80211.c
2012-04-18 14:27:48 -04:00
Jouni Malinen
3b8ffc6a22 ath6kl: Configure probed SSID list consistently
Set max_scan_ssids and max_sched_scan_ssids to same value. These use the
same probed SSID list, so there is no point in using different maximum
number of SSIDs.

Clear probed SSID entries that are not used. This was already done for
sched_scan, but not for scan. Be consistent and clear the table for both
cases to avoid leaving bogus entries.

In addition, share the same function for setting the probed SSIDs for
scan and sched_scan paths. This fixes setting of wildcard SSID flag
(ANY_SSID_FLAG) and changes the scan path to use probed SSID index
consistently (i.e., start with 0 similarly to sched_scan; firmware
will handle the needed internal mapping).

Signed-off-by: Jouni Malinen <jouni@qca.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
2012-04-18 13:12:26 +03:00
Jouni Malinen
a432e7cc4f ath6kl: Remove incorrect Probe Response offload support for Interworking
ath6kl does not support Probe Response offloading for Interworking (IEEE
802.11u), so remove the incorrectly added capability flag for it.

Signed-off-by: Jouni Malinen <jouni@qca.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
2012-04-18 13:10:04 +03:00
Subramania Sharma Thandaveswaran
d472b5e43d ath6kl: Fix bug in bg scan configuration in schedule scan
Background scan interval should not be modified while starting
schedule scanning as it changes the bg scan interval when connected to AP.
Use the currently configured interval instead.

kvalo: improve commit log

Signed-off-by: Subramania Sharma <sharmat@qca.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
2012-04-18 13:03:55 +03:00
Raja Mani
eb38987e89 ath6kl: Retain bg scan period value modified by the user
Added a new member bg_scan_period in struct ath6kl_vif
to retain background scan period value configured via debugfs
entry 'bgscan_interval'. This backup is needed in schedule scan
path while configuring scan parameters.

Signed-off-by: Raja Mani <rmani@qca.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
2012-04-18 12:56:38 +03:00
Gabor Juhos
8edb254c8c ath9k: use ath9k_hw_fbin2freq instead of FBIN2FREQ
The FBIN2FREQ macro and the ath9k_hw_fbin2freq function
does the same thing. Remove the macro, and use the inline
function instead.

Signed-off-by: Gabor Juhos <juhosg@openwrt.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-04-17 14:57:13 -04:00
Gabor Juhos
23bd7cedf1 ath9k: move ath9k_hw_fbin2freq function to eeprom.h
Both eeprom.c and ar9003_eeprom.c has an indentical
'ath9k_hw_fbin2freq' function. Move the function to
a common place and remove the duplicates.

Signed-off-by: Gabor Juhos <juhosg@openwrt.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-04-17 14:57:13 -04:00
Gabor Juhos
86ae26d721 ath9k: remove unused PWRINC_*_TO_*_CHAIN defines
Signed-off-by: Gabor Juhos <juhosg@openwrt.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-04-17 14:57:12 -04:00
Gabor Juhos
6010e72cdf ath9k: merge power correction constants
The existing constants are used for reduction/increase
tx power level on devices with 2x2 and 3x3 chainmask.

Both reduction and increase must use the same value, so
it makes no sense to use separate constants for them.

Signed-off-by: Gabor Juhos <juhosg@openwrt.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-04-17 14:57:12 -04:00
Sujith Manoharan
fd09c85fe1 ath9k: Fix TX fragmentation
Assigning sequence number for frames without taking care
of the fragment field breaks transmission of fragmented frames.
Fix this by assigning the fragment number properly.

Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-04-17 14:17:05 -04:00
Gabor Juhos
8f942b9b81 ath9k: simplify ath9k_hw_get_scaled_power function
Signed-off-by: Gabor Juhos <juhosg@openwrt.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-04-16 14:38:54 -04:00
Gabor Juhos
ea6f792b2b ath9k: introduce ath9k_hw_get_scaled_power helper
The computation of the scaled power value in
various eeprom files uses identical code. Move
that code into a helper function and use that
instead of code duplication.

Signed-off-by: Gabor Juhos <juhosg@openwrt.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-04-16 14:38:53 -04:00
Gabor Juhos
21bd6ea311 ath9k: use consistent value for REDUCE_SCALED_POWER_BY_THREE_CHAIN
The REDUCE_SCALED_POWER_BY_THREE_CHAIN symbol is
defined in different eeprom files, and the value
varies between the different files.

In eeprom_def.c and in ar9003_eeprom.c the value
of the symbol is 9, however the comments in these
files indicates the value should be 10*log10(3)*2
which is 9.54242509439325. Replace the the value
to 10 in these files.

Also add comments to eeprom_9287.c.

Signed-off-by: Gabor Juhos <juhosg@openwrt.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-04-16 14:38:52 -04:00
Gabor Juhos
d9e9145e49 ath9k: use ath9k_hw_update_regulatory_maxpower in ath9k_hw_def_set_txpower
We have a helper function for updating the max_power_level
value. Use that and remove the duplicated code.

Signed-off-by: Gabor Juhos <juhosg@openwrt.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-04-16 14:38:51 -04:00
Axel Lin
5b0a3b7eb3 net/wireless: use module_pci_driver
This patch converts the drivers in drivers/net/wireless/* to use
module_pci_driver() macro which makes the code smaller and a bit simpler.

Signed-off-by: Axel Lin <axel.lin@gmail.com>
Cc: "John W. Linville" <linville@tuxdriver.com>
Cc: Jiri Slaby <jirislaby@gmail.com>
Cc: Nick Kossifidis <mickflemm@gmail.com>
Cc: "Luis R. Rodriguez" <mcgrof@qca.qualcomm.com>
Cc: Simon Kelley <simon@thekelleys.org.uk>
Cc: Jouni Malinen <j@w1.fi>
Cc: Lennert Buytenhek <buytenh@wantstofly.org>
Cc: Christian Lamparter <chunkeey@googlemail.com>
Cc: Ivo van Doorn <IvDoorn@gmail.com>
Cc: Larry Finger <Larry.Finger@lwfinger.net>
Cc: linux-wireless@vger.kernel.org
Acked-by: Lennert Buytenhek <buytenh@wantstofly.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-04-16 14:38:50 -04:00
Yoshinori Sato
88642088b6 ath5k: add PCI id
This device works fine of ath5k.

Details bellow
05:00.0 0200: 168c:ff1b (rev 01)
05:00.0 Ethernet controller: Atheros Communications Inc. Device ff1b (rev 01)
	Flags: bus master, fast devsel, latency 0, IRQ 19
	Memory at febf0000 (64-bit, non-prefetchable) [size=64K]
	Capabilities: <access denied>
	Kernel driver in use: ath5k

ath5k 0000:05:00.0: PCI INT A -> GSI 19 (level, low) -> IRQ 19
ath5k 0000:05:00.0: setting latency timer to 64
ath5k 0000:05:00.0: registered as 'phy0'
ath: EEPROM regdomain: 0x67
ath: EEPROM indicates we should expect a direct regpair map
ath: Country alpha2 being used: 00
ath: Regpair used: 0x67
ieee80211 phy0: Selected rate control algorithm 'minstrel_ht'
ath5k phy0: Atheros AR2425 chip found (MAC: 0xe2, PHY: 0x70)

Signed-off-by: Yoshinori Sato <ysato@users.sourceforge.jp>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-04-16 14:38:47 -04:00
Rajkumar Manoharan
cd484aeb49 ath9k: fix beacon descriptor
The tx interrupt for beacon queue is configured only for edma chips.
As the edma chip does not support per descriptor interrupt, no need to
set INTREQ for every beacon descriptor. And also clear ps filter for
beacon frame.

Signed-off-by: Rajkumar Manoharan <rmanohar@qca.qualcomm.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-04-16 14:38:46 -04:00
Rajkumar Manoharan
4e7fb7187d ath9k: skip beaconing when reset work is pending
Whenever the reset work is queued up, do not generate beacon. And also
clear the beacon miss count once the beacon stuck was observed.

Signed-off-by: Rajkumar Manoharan <rmanohar@qca.qualcomm.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-04-16 14:38:45 -04:00
Rajkumar Manoharan
af1e8a6fb4 ath9k: reset noiseimmunity level to default
After the chip reset, the noise immunity levels are restored with
history values. If the immunity levels are lower than the defaults,
lets start with the optimal values.

Signed-off-by: Rajkumar Manoharan <rmanohar@qca.qualcomm.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-04-16 14:38:44 -04:00
Rajkumar Manoharan
de5f8fc3a3 ath9k: fix ibss beacon next tbtt
Sync-up ibss beacon timer with the beacon frame's timestamp. When the
node acts as joiner, it has to sync with the received beacon timestamp
instead of reading tsf from hw. As the hw tsf wont wont be update till
bssid is configured. This patch programs hw tsf with the received beacon
timestamp if beacon timers are yet to be configured.

Signed-off-by: Rajkumar Manoharan <rmanohar@qca.qualcomm.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-04-16 14:38:42 -04:00
Rajkumar Manoharan
3e5217e2e8 ath9k: fix ibss fair beacon distribution for AR9462
Update AR9462 initval to fix unbalance beacon distribution
in Ad-Hoc network.

Signed-off-by: Rajkumar Manoharan <rmanohar@qca.qualcomm.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-04-16 14:38:41 -04:00
Felix Fietkau
b381fa3229 ath9k: optimize the hardware hang check
Since it's only called when beacons are stuck, move it to the SWBA handler
tasklet, to avoid doing redundant checks on every single interrupt.

Signed-off-by: Felix Fietkau <nbd@openwrt.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-04-16 14:19:28 -04:00
Felix Fietkau
7b27ba4e9c ath9k: do not register LEDs on AR913x
LED support is typically handled via system GPIO on these platforms.

Signed-off-by: Felix Fietkau <nbd@openwrt.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-04-16 14:19:28 -04:00
Felix Fietkau
689e756fad ath9k_hw: add support for 8 AP mode interfaces
Also tweak beacon response times for better stability with the shorter
timer intervals.

Signed-off-by: Felix Fietkau <nbd@openwrt.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-04-16 14:19:28 -04:00
Jonathan Bither
94c84ee614 ath5k: use compare_ether_addr on MAC addresses instead of memcmp
Following Felix's recent patchset as an example I have replaced memcmp with
compare_ether_addr.

"Because of the constant size and guaranteed 16 bit alignment, the inline
compare_ether_addr function is much cheaper than calling memcmp."

Signed-off-by: Jonathan Bither <jonbither@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-04-16 14:16:59 -04:00
Ben Greear
462e58f2b6 ath9k: Gather and report IRQ sync_cause errors.
Report all defined sync_cause errors in debugfs
to aid with debugging.

Use a macro to print out the interrupts file contents
to decrease code duplication.

Signed-off-by: Ben Greear <greearb@candelatech.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-04-16 14:16:58 -04:00
Ben Greear
24a0731e70 ath9k: Use macro to decrease code when priting recv stats.
This hides some repetitive code, and will help if the
column widths ever need to change.

Signed-off-by: Ben Greear <greearb@candelatech.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-04-16 14:16:58 -04:00
Dan Carpenter
ebc6a5332f ath6kl: list_first_entry() is never NULL
We can remove the NULL check here.  It triggers a Smatch warning because
list_first_entry() never is NULL and people who check for it normally
intend to check for list_empty() instead.  In these cases however,
we've already verified that the lists are not empty.

Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
2012-04-16 09:32:04 +03:00
Tim Gardner
2023dbb831 ath6kl: Normalize use of FW_DIR
kvalo: do the same changes for ar6004 hw1.2 as well

Cc: Kalle Valo <kvalo@qca.qualcomm.com>
Cc: "John W. Linville" <linville@tuxdriver.com>
Cc: linux-wireless@vger.kernel.org
Cc: netdev@vger.kernel.org
Signed-off-by: Tim Gardner <tim.gardner@canonical.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
2012-04-16 09:31:50 +03:00
Ming Jiang
48f27587aa ath6kl: allow deepsleep_suspend function when wlan interface down
Aafter wlan interface is down WLAN_ENABLED flags will be cleared and
deepsleep_suspend function will be blocked in this senario. This patch
allows deepsleep_suspend function when wlan interface down by removed
the WLAN_ENABLED flag checking.

kvalo: fix commit log

Signed-off-by: Ming Jiang <mjiang@qca.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
2012-04-16 09:13:39 +03:00
Ray Chen
08c6100967 ath6kl: Fix system crash sometimes for USB hotplug
System crash because of NULL pointer reference due to
cleanup_scatter is not implemented for USB.

Signed-off-by: Ray Chen <raychen@qca.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
2012-04-16 09:12:21 +03:00
Kalle Valo
cdeb860252 ath6kl: merge split format strings into one
Found by checkpatch:

WARNING: quoted string split across lines

Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
2012-04-16 09:08:51 +03:00
Sujith Manoharan
d90b570898 ath9k_htc: Add Panasonic N5HBZ0000055 device id
Reported-by: Ryan Roper <ryan.roper@gmail.com>
Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-04-13 14:32:51 -04:00
Michal Kazior
4ee73f338a mac80211: remove hw.conf.channel usage where possible
Removes hw.conf.channel usage from the following functions:
 * ieee80211_mandatory_rates
 * ieee80211_sta_get_rates
 * ieee80211_frame_duration
 * ieee80211_rts_duration
 * ieee80211_ctstoself_duration

This is in preparation for multi-channel operation.

Signed-off-by: Michal Kazior <michal.kazior@tieto.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-04-13 14:32:50 -04:00
Sujith Manoharan
f58cc809d2 ath9k_hw: Remove BTCOEX initvals
The MAX_TXPWR table for BTCOEX is not needed for AR9462.
Programming these values to the HW results in undesirable
behavior - for example, large number of delimiter/data
underruns are seen in AES-CCMP mode. Also, registers like
AR_PCU_MISC_MODE2 return 0xdeadbeef after the BTCOEX_MAX
power table is programmed to the HW, and frames being transmitted
end up being looped back to the RX engine, an example being beacon
frames in IBSS mode.

Remove this table for now - this fixes CCMP performance and general
IBSS usage.

Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-04-13 14:32:50 -04:00
Felix Fietkau
75600abf19 ath9k: wake up the hardware from full sleep when idle is turned off
The hardware needs a reset to recover from full sleep. Issue this reset
directly in the ath9k_config call that turns off idle, otherwise tx
remains dead until the first channel change after the idle state change

Signed-off-by: Felix Fietkau <nbd@openwrt.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-04-13 14:06:59 -04:00
Jonathan Bither
2db0d2ba97 ath5k: unmap io memory on probe failure
Signed-off-by: Jonathan Bither <jonbither@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-04-13 14:05:36 -04:00
Jonathan Bither
32b92f4f3f ath5k: fix undefined 'THIS_MODULE'
When cross compiling ath5k for a Mips machine with kernel 3.2.14
the compilation fails with "/ath5k/ahb.c:231:12: error: 'THIS_MODULE' undeclared here (not in a function)"
Fix the build by including <linux/export.h>

Signed-off-by: Jonathan Bither <jonbither@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-04-13 14:05:35 -04:00
Jesper Juhl
ae9a3405fd ath6kl: fix memory leak in ath6kl_fwlog_block_read()
If, in
drivers/net/wireless/ath/ath6kl/debug.c::ath6kl_fwlog_block_read(),
the call to wait_for_completion_interruptible() returns -ERESTARTSYS
then we'll return without freeing the (as yet unused) memory we
allocated for 'buf' - thus leaking it.

Signed-off-by: Jesper Juhl <jj@chaosbits.net>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
2012-04-13 14:42:15 +03:00
Zefir Kurtisi
997002785e ath9k: remove dead code
Clean up some orphaned code lines containing
* unused variables (not referenced / write-only)
* non-implemented function prototypes

Signed-off-by: Zefir Kurtisi <zefir.kurtisi@neratec.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-04-12 15:10:32 -04:00
John W. Linville
c2786e4a17 Merge branch 'for-linville' of git://github.com/kvalo/ath6kl 2012-04-12 15:02:19 -04:00
John W. Linville
7eab0f64a9 Merge branch 'master' into for-davem
Conflicts:
	drivers/net/wireless/iwlwifi/iwl-testmode.c
	net/wireless/nl80211.c
2012-04-12 14:41:59 -04:00
John W. Linville
8065248069 Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless 2012-04-12 13:49:28 -04:00
Ray Chen
6146ca6903 ath6kl: Add AR6004 1.2 support for USB and SDIO
Add the necessary change for AR6004 1.2 chip support

Signed-off-by: Ray Chen <raychen@qca.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
2012-04-12 11:04:03 +03:00
Vasanthakumar Thiagarajan
9e8b16dbd0 ath6kl: Configure 0 as rsn cap when it is not there in rsn ie
Currently rsn capability is not set when it is not available in
rsn IE. Set it to 0 in firmware when it is not there in the ie to
make sure host and target are consistent.

Signed-off-by: Vasanthakumar Thiagarajan <vthiagar@qca.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
2012-04-12 10:37:13 +03:00
Vasanthakumar Thiagarajan
798985c688 ath6kl: Fix possible unaligned memory access in ath6kl_get_rsn_capab()
alignment is not taken care in accessing pairwise cipher and AKM suite
count which are parsed from rsn ie. Fix this alignment issue.

Reported-by: Joe Perches <joe@perches.com>
Signed-off-by: Vasanthakumar Thiagarajan <vthiagar@qca.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
2012-04-12 10:35:03 +03:00
Thomas Pedersen
c4f7863eae ath6kl: handle concurrent AP-STA channel switches
If an ath6kl AP vif is beaconing on one channel, and a STA vif
associates on a different channel, a WMI_DISCONNECT event will be sent
to the AP vif. Make the AP vif follow the STA interface, and notify
userspace.

kvalo: fix a sparse warning with vif->next_chan

Signed-off-by: Thomas Pedersen <c_tpeder@qca.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
2012-04-12 09:55:52 +03:00
Kalle Valo
d968370ee7 Merge remote branch 'wireless-next/master' into ath6kl-next 2012-04-12 09:45:11 +03:00
Qasim Javed
14dc785209 ath5k: Remove extraneous statements from ath5k_hw_proc_4word_tx_status and ath5k_hw_proc_2word_status.
Signed-off-by: Qasim Javed <qasimj@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-04-11 16:23:58 -04:00
Joe Perches
da951c2417 wireless: Remove unnecessary ; from while (0) macros
Semicolons are not necessary after macros that end in while (0).
Remove them.

Simplify the macros with tests of
do { if (foo>size) memset1; else memset2;} while (0);
to a single line memset(,,min_t(size_t, foo, size))

Signed-off-by: Joe Perches <joe@perches.com>
Acked-by: Arend van Spriel <arend@broadcom.com>
Acked-by: Larry Finger <Larry.Finger@lwfinger.net>
Acked-by: Bing Zhao <bzhao@marvell.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-04-11 16:23:56 -04:00
Ben Greear
150721894e ath9k: Add more recv stats.
This adds counters in various places that can drop packets on
rx without otherwise incrementing a counter.  It also counts
some non-error cases, such as becons and fragments received.

Should help with figuring out where packets are (and are not)
dropped.

Signed-off-by: Ben Greear <greearb@candelatech.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-04-11 16:23:55 -04:00
Ben Greear
a5a0bca1d8 ath9k: Add tx-failed counter.
This counts any failure during getting packets into
the DMA buffers, including out-of-memory, etc.

Signed-off-by: Ben Greear <greearb@candelatech.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-04-11 16:23:54 -04:00
Zefir Kurtisi
56dc389f76 ath9k: update to DFS pattern detector interface
Follow updates in DFS pattern detector interface:
a) use given pulse event structure
b) adapt to boolean return value of add_pulse()

Signed-off-by: Zefir Kurtisi <zefir.kurtisi@neratec.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-04-11 16:23:54 -04:00
Zefir Kurtisi
8e92d3f242 ath9k: add DFS pattern detector instance to ath_softc
Signed-off-by: Zefir Kurtisi <zefir.kurtisi@neratec.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-04-11 16:23:53 -04:00
Zefir Kurtisi
6ee159e26f ath9k: add DFS pattern detector
This adds a DFS pattern detector to ath9k. It is fed with pulse events
by the radar pulse detector and reports in place whether a pattern
was detected. On detection, the result is reported as radar event to
the DFS management component in the upper layer.

Currently the ETSI DFS domain is supported with detector lines for
the patterns defined by EN-301-893 v1.5.1. Support for FCC and JP
will be added gradually.

To include the pattern detector, ath9k must be built with support
for DFS certified config flag set (CONFIG_ATH9K_DFS_CERTIFIED).

Signed-off-by: Zefir Kurtisi <zefir.kurtisi@neratec.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-04-11 16:23:52 -04:00
Johannes Berg
8f727ef3c4 mac80211: notify driver of rate control updates
Devices that have internal rate control need to be
notified when the bandwidth or SMPS state changes
just like external rate control algorithms get a
notification now.

Add this notification and clarify the change bits
while at it, the HT_CHANGED bit really meant only
bandwidth changed.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-04-10 14:54:08 -04:00
Johannes Berg
64f68e5d15 mac80211: remove channel type argument from rate_update
The channel type argument to the rate_update()
callback isn't really the correct way to give
the rate control algorithm about the desired
RX bandwidth of the peer.

Remove this argument, and instead update the
STA capabilities with 20/40 appropriately. The
SMPS update done by this callback works in the
same way, so this makes the callback cleaner.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-04-10 14:54:08 -04:00
Johannes Berg
81ddbb5c11 mac80211: don't always advertise remain-on-channel
Not all devices are really capable of implementing
remain-on-channel, even if it is implemented in SW,
as they can't necessarily deal with channel changes
while associated.

Remove the WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL and add
it only if either the driver has remain_on_channel
implemented in the driver/device.

Also add it to all drivers that advertise P2P right
now since those definitely have to have it working.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Acked-by: Luciano Coelho <coelho@ti.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-04-10 14:54:04 -04:00
Joe Perches
227842d117 ath5k: Introduce _ath5k_printk to reduce code/text
Macros can be converted to functions to reduce overall object size.

Convert the ATH5K_PRINTK macro to use _ath5k_printk.

Allyesconfig size is reduced ~10%

$ size drivers/net/wireless/ath/ath5k/built-in.o*
   text	   data	    bss	    dec	    hex	filename
 211557	   2032	  40672	 254261	  3e135	drivers/net/wireless/ath/ath5k/built-in.o.new
 235412	   2032	  47296	 284740	  45844	drivers/net/wireless/ath/ath5k/built-in.o.old

Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-04-10 14:52:14 -04:00
Joe Perches
516304b0f4 ath: Add and use pr_fmt, convert printks to pr_<level>
Use a more current logging style.
Make sure all output is prefixed appropriately.

Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-04-10 14:52:13 -04:00
David S. Miller
06eb4eafbd Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2012-04-10 14:30:45 -04:00
Sujith Manoharan
011afa1ed8 Revert "ath9k: fix going to full-sleep on PS idle"
This reverts commit c1afdaff90.

Users have reported connection failures in 3.3.1 and suspend/resume
failures in 3.4-rcX. Revert this commit for now - PS IDLE can be
fixed in a clean manner later on.

Cc: stable@vger.kernel.org
Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-04-10 14:14:34 -04:00
Rajkumar Manoharan
68d9e1fa24 ath9k_hw: Update rx gain initval to improve rx sensitivity
Signed-off-by: Rajkumar Manoharan <rmanohar@qca.qualcomm.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-04-09 16:05:56 -04:00
Rajkumar Manoharan
01e189182d ath9k: recover ar9380 chips from rare stuck state
In the experiment with Azimuth ADEPT-n testbed where the APs transmit
power was reduced to 25% and the signal strength was futher attenuated
by 20dB and induced a path loss of ~7dB, the station was reporting
beacon losses and the following issue were observed.

* rx clear is stuck at low for more than 300ms
* dcu chain and complete state is stuck at one of the hang signature

This patch triggers the hang detection logic that recovers the chip
from any of the above conditions. As the issue was originally reported
in ChromeOs with AR9382 chips, this detection logic is enabled only for
AR9380/2 chips.

Cc: Paul Stewart <pstew@google.com>
Reported-by: Gary Morain <gmorain@google.com>
Signed-off-by: Rajkumar Manoharan <rmanohar@qca.qualcomm.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-04-09 16:05:53 -04:00
Rajkumar Manoharan
54da20d83f ath9k_hw: improve ANI processing and rx desensitizing parameters
This patch improves ANI operations by switching among the immunity
levels based on PHY errors and beacon rssi which will adjust receiver
desensitizing parameters. The changes are

* Configure the Weak Signal Detection based on current immunity value.
* At highest OFDM immunity level poor performance was observed with
  strong interference. By tuning the FIR step and spur immunity levels
  and not changing any weak signal detection thresholds at any level
  helped to improve the performance.
* ANI took long time to recover back to lower immunity levels on heavy
  data load. As the listen time got reset to zero before reaching to
  the 5x of aniperiod, the immunity level is not lowering back even
  without any interference. This patch fix that.

Cc: Paul Stewart <pstew@google.com>
Cc: Susinder Gulasekaran <susinder@qca.qualcomm.com>
Signed-off-by: Suresh Chandrasekaran <csuresh@qca.qualcomm.com>
Signed-off-by: Rajkumar Manoharan <rmanohar@qca.qualcomm.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-04-09 16:05:52 -04:00
Vasanthakumar Thiagarajan
d97c121bb2 ath6kl: Fix 4-way handshake failure in AP and P2P GO mode
RSN capability field of RSN IE which is generated (which is what really
advertised in beacon/probe response) differs from the one generated in
wpa_supplicant. This inconsistency in rsn IE results in 4-way handshake
failure. To fix this, configure rsn capability used in wpa_supplicant
in firmware using a new wmi command, WMI_SET_IE_CMDID. There is a bit
(ATH6KL_FW_CAPABILITY_RSN_CAP_OVERRIDE) in fw_capabilities to advertise
this support to driver.

Signed-off-by: Subramania Sharma <sharmat@qca.qualcomm.com>
Signed-off-by: Vasanthakumar Thiagarajan <vthiagar@qca.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
2012-04-09 18:33:07 +03:00
Vasanthakumar Thiagarajan
df90b36940 ath6kl: Configure htcap in fw based on the channel type in AP mode
This patch disables HT in start_ap if the type of the channel on
which the AP mode is going to be operating is non-HT. HT is enabled
with default ht cap setting if the operating channel is going to be
11n.

Signed-off-by: Vasanthakumar Thiagarajan <vthiagar@qca.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
2012-04-09 18:25:56 +03:00
Vasanthakumar Thiagarajan
bed56e313a ath6kl: Don't advertise HT40 support in 2.4 Ghz
HT40 is not supported in 2.4Ghz.

Signed-off-by: Vasanthakumar Thiagarajan <vthiagar@qca.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
2012-04-09 18:25:56 +03:00