Commit Graph

96 Commits

Author SHA1 Message Date
Sujith Manoharan e7a2a4f5e6 ath9k_htc: Handle BSSID/AID for multiple interfaces
The AID and BSSID should be set in the HW only for the
first station interface or adhoc interface. Also, cancel
the ANI timer in stop() for multi-STA scenario. And finally
configure the HW beacon timers only for the first station
interface.

Signed-off-by: Sujith Manoharan <Sujith.Manoharan@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-03-01 13:48:21 -05:00
Sujith Manoharan a5fae37d11 ath9k_htc: Configure beacon timers in AP mode
Handle multi-interface situations by checking if
AP interfaces are already present.

Signed-off-by: Sujith Manoharan <Sujith.Manoharan@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-02-23 16:25:28 -05:00
Sujith Manoharan a236254c35 ath9k_htc: Add ANI for AP mode
The time granularity for the ANI task is different for AP and
station mode.

Signed-off-by: Sujith Manoharan <Sujith.Manoharan@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-02-23 16:25:27 -05:00
Sujith Manoharan da8d9d937b ath9k_htc: Allow AP interface to be created
Signed-off-by: Sujith Manoharan <Sujith.Manoharan@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-02-23 16:25:27 -05:00
Sujith Manoharan 0df8359a88 ath9k_htc: Maintain individual counters for interfaces
This is required for allowing only one IBSS interface to be
configured.

Signed-off-by: Sujith Manoharan <Sujith.Manoharan@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-02-23 16:25:27 -05:00
Sujith Manoharan 9a3d025be1 ath9k_htc: Make sequence number calculation per-VIF
Signed-off-by: Sujith Manoharan <Sujith.Manoharan@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-02-23 16:25:26 -05:00
Sujith Manoharan 585895cdfc ath9k_htc: Set the BSSID mask for multiple interfaces
Signed-off-by: Sujith Manoharan <Sujith.Manoharan@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-02-23 16:25:26 -05:00
Sujith Manoharan 7c277349ec ath9k_htc: Remove OP_ASSOCIATED variable
mac80211 stores the association state in ieee80211_bss_conf.
Use this and remove the local state, which is incorrect anyway
since it is stored globally and not on a per-VIF basis.

Restarting ANI and reconfiguration of HW beacon timers when a
scan run ends requires more work. This is handled by iterating
over the active interfaces.

Finally, remove the useless check for associated status in RX
processing.

Signed-off-by: Sujith Manoharan <Sujith.Manoharan@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-02-23 16:25:26 -05:00
Sujith Manoharan 9304c82d8f ath9k_htc: Remove OP_PROTECT_ENABLE
CTS protection can be obtained from mac80211 directly.

Signed-off-by: Sujith Manoharan <Sujith.Manoharan@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-02-23 16:25:26 -05:00
Sujith Manoharan cf04e77286 ath9k_htc: Remove OP_PREAMBLE_SHORT
mac80211's BSS info can be used for this.

Signed-off-by: Sujith Manoharan <Sujith.Manoharan@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-02-23 16:25:26 -05:00
Sujith Manoharan a97b478c92 ath9k_htc: Allow upto two simultaneous interfaces
Multiple interfaces can be configured if a slot is free
on the target. Monitor mode also requires a slot.

The maximum number of stations that can be handled in
the firmware is 8, manage the station slots accordingly.

Signed-off-by: Sujith Manoharan <Sujith.Manoharan@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-02-23 16:25:25 -05:00
Rajkumar Manoharan b2a5c3dfec ath9k_htc: make use common of function to update txpower
Signed-off-by: Rajkumar Manoharan <rmanoharan@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-02-03 16:44:43 -05:00
John W. Linville 3e11210d46 Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-2.6
Conflicts:
	drivers/net/wireless/ath/ath9k/init.c
2011-01-28 16:23:14 -05:00
Rajkumar Manoharan 4e3ae38738 ath9k_htc: keep calibrated noise floor value for oper channel
The ath9k_hw assumes that caldata is valid only for
oper channel. But with ath9k_htc case, the caldata is
passed for all channels on hw_reset though we are not doing
calibration on that channel. So the oper channel's nf history
got cleared to default due to mismatch in channel flags.
This patch also saves some space.

Signed-off-by: Rajkumar Manoharan <rmanoharan@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-01-19 11:36:10 -05:00
Rajkumar Manoharan dc738cb6c5 ath9k_htc: Fix endian issue in tx header
Signed-off-by: Rajkumar Manoharan <rmanoharan@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-01-17 16:09:03 -05:00
Sujith Manoharan 55de80d645 ath9k_htc: Really fix packet injection
The chainmask value along with other configuration has to be set
on the target for packet injection. Fix this and also move the monitor
interface addition before the channel set segment to ensure that
the opmode is updated properly.

Signed-off-by: Sujith Manoharan <Sujith.Manoharan@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-01-10 15:40:52 -05:00
Sujith Manoharan 1e1f4ad25f ath9k_htc: Move LED/RFKILL code to htc_drv_gpio.c
And add the copyright/license header.

Signed-off-by: Sujith Manoharan <Sujith.Manoharan@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-01-04 14:43:00 -05:00
Sujith Manoharan 039a07215e ath9k_htc: Fix fast channel change
When returning to the operating channel, a full HW
reset has to be done instead of a fast channel change.
Since sw_scan_complete() is called after the config() call for the
home channel, we end up doing a FCC. Fix this issue by checking
the OFFCHANNEL flag to determine FCC.

Signed-off-by: Sujith Manoharan <Sujith.Manoharan@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-01-04 14:43:00 -05:00
Sujith Manoharan 73908674c6 ath9k_htc: Handle FATAL events
The device has to be reset when a FATAL event is received.
Not doing so would leave the card in a non-working state.

Signed-off-by: Sujith Manoharan <Sujith.Manoharan@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-01-04 14:43:00 -05:00
Sujith Manoharan 97dcec5715 ath9k_htc: Fix warning on device removal
The commit "ath9k_hw: warn if we cannot change the power to the chip"
introduced a new warning to indicate chip powerup failures, but this
is not required for devices that have been removed. Handle USB device
removal properly by checking for unplugged status.

For PCI devices, this warning will still be seen when the card is pulled
out, not sure how to check for card removal.

Signed-off-by: Sujith Manoharan <Sujith.Manoharan@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2010-12-22 15:43:25 -05:00
John W. Linville 393934c6b5 Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-2.6
Conflicts:
	drivers/net/wireless/ath/ath9k/ath9k.h
	drivers/net/wireless/ath/ath9k/main.c
	drivers/net/wireless/ath/ath9k/xmit.c
2010-12-08 16:23:31 -05:00
Sujith Manoharan f933ebed78 ath9k_htc: Fix suspend/resume
The HW has to be set to FULLSLEEP mode during suspend,
when no interface has been brought up. Not doing this would
break resume, as the chip won't be powered up at all.

Signed-off-by: Sujith Manoharan <Sujith.Manoharan@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2010-12-08 15:23:47 -05:00
Rajkumar Manoharan fa6e15e0b5 ath9k_htc: Identify devices using driver_info
Categorize AR7010 & AR9287 devices based on driver_info
of usb_device_id, instead of PIDs. This avoids per-device cases
and minimize code changes for new device addition.

Signed-off-by: Rajkumar Manoharan <rmanoharan@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2010-11-24 16:19:41 -05:00
Mohammed Shafi Shajakhan 28d9cc7f21 ath9k_htc: Use macro for caldata array size
The calibration data variable size is based on the number of
channels available in the ath9k driver.

Signed-off-by: Mohammed Shafi Shajakhan <mshajakhan@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2010-11-16 16:39:09 -05:00
Vivek Natarajan 21cb987914 ath9k_htc: Add support for bluetooth coexistence.
Signed-off-by: Vivek Natarajan <vnatarajan@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2010-08-24 16:32:05 -04:00
Felix Fietkau 20bd2a0952 ath9k_hw: clean up per-channel calibration data
The noise floor history buffer is currently not kept per channel, which
can lead to problems when changing channels from a clean channel to a
noisy one. Also when switching from HT20 to HT40, the noise floor
history buffer is full of measurements, but none of them contain data
for the extension channel, which it needs quite a bit of time to recover
from.

This patch puts all the per-channel calibration data into a single data
structure, and gives the the driver control over whether that is used
per-channel or even not used for some channels.

For ath9k_htc, I decided to keep this per-channel in order to avoid
creating regressions.

For ath9k, the data is kept only for the operating channel, which saves
some space. ath9k_hw takes care of wiping old data when the operating
channel or its channel flags change.

Signed-off-by: Felix Fietkau <nbd@openwrt.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2010-08-04 15:27:37 -04:00
Sujith 88c1f4f6df ath9k_htc: Add LED support for AR7010
Signed-off-by: Sujith <Sujith.Manoharan@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2010-06-30 15:00:53 -04:00
Sujith d7ca21393d ath9k_htc: Fix ampdu_action callback
Now that ampdu_action() can sleep, remove all
the driver hacks and just issue WMI commands
to the target.

Signed-off-by: Sujith <Sujith.Manoharan@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2010-06-15 16:02:22 -04:00
Felix Fietkau e8c35a77e3 ath9k_htc: use common WMM AC definitions instead of ath9k ones
Signed-off-by: Felix Fietkau <nbd@openwrt.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2010-06-14 15:39:30 -04:00
Sujith 764580f577 ath9k_htc: Fix fair beacon distribution
This patch fixes beacon distribution in IBSS mode
by configuring the hardware beacon queue properly.

Signed-off-by: Sujith <Sujith.Manoharan@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2010-06-03 14:14:41 -04:00
John W. Linville ed3305b4bb ath9k_htc: fix build error when ATH9K_HTC_DEBUGFS not enabled
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2010-06-02 16:53:58 -04:00
Sujith 0d425a7d7b ath9k_htc: Cleanup rate initialization
This patch removes a large chunk of code dealing
with rate management within the driver and simplifying
things by removing the hacky method of calculating
HT changes. A subsequent patch would fix this by
just using BSS_CHANGED_HT from mac80211.

Signed-off-by: Sujith <Sujith.Manoharan@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2010-06-02 16:13:15 -04:00
Sujith ca74b83b66 ath9k_htc: Initialize beacon/CAB queues
This patch initializes the beacon and CAB HW queues
when the driver is loaded.

Signed-off-by: Sujith <Sujith.Manoharan@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2010-06-02 16:13:03 -04:00
Sujith 2edb4583c6 ath9k_htc: Add queue statistics to xmit debugfs file
Signed-off-by: Sujith <Sujith.Manoharan@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2010-06-02 16:13:02 -04:00
Tejun Heo 617f3d0d71 wireless: update gfp/slab.h includes
Implicit slab.h inclusion via percpu.h is about to go away.  Make sure
gfp.h or slab.h is included as necessary.

Signed-off-by: Tejun Heo <tj@kernel.org>
Cc: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2010-05-24 14:59:26 -04:00
Sujith 9c6dda4e2d ath9k_htc: Fix beaconing in IBSS mode
The current way of managing beaconing in ad-hoc
mode has a subtle race - the beacon obtained from mac80211
is freed in the SWBA handler rather than the TX
completion routine. But transmission of beacons goes
through the normal SKB queue maintained in hif_usb,
leading to a situation where __skb_dequeue() in the TX
completion handler goes kaput.

Fix this by simply getting a beacon from mac80211 for
every SWBA and free it in its completion routine.

Signed-off-by: Sujith <Sujith.Manoharan@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2010-05-07 14:55:52 -04:00
Vivek Natarajan 8a8572a821 ath9k_htc: Handle CONF_IDLE during unassociated state to save power.
Signed-off-by: Vivek Natarajan <vnatarajan@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2010-04-27 16:09:21 -04:00
Sujith a3be14b76d ath9k_htc: Handle device unplug properly
When the USB device has been unplugged, there is
no point in trying to send commands to the target.
Fix this by denying all WMI commands in such a case.

Signed-off-by: Sujith <Sujith.Manoharan@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2010-04-26 14:21:16 -04:00
Sujith 7f1f5a0060 ath9k_htc: Fix sparse endian warnings
This patch fixes a bunch of endian issues that
were exposed by sparse. It's a miracle that the driver
worked at all till now.

The Lord be praised.

Signed-off-by: Sujith <Sujith.Manoharan@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2010-04-16 15:47:13 -04:00
Sujith eac8e385e9 ath9k_htc: Add dropped SKB count to debugfs
Signed-off-by: Sujith <Sujith.Manoharan@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2010-04-16 15:47:11 -04:00
Vivek Natarajan 1c3652a573 ath9k_htc: Configure the beacon timers once the scan is completed.
Signed-off-by: Vivek Natarajan <vnatarajan@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2010-04-07 14:37:59 -04:00
Vivek Natarajan bde748a40d ath9k_htc: Add support for power save.
Signed-off-by: Vivek Natarajan <vnatarajan@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2010-04-07 14:37:58 -04:00
Sujith 7757dfed58 ath9k_htc: Handle TX queue overflow
Stop/restart TX queues when the internal SKB
queue is full. This helps handle TX better
under heavy load.

Signed-off-by: Sujith <Sujith.Manoharan@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2010-03-31 14:46:40 -04:00
Sujith 0995d11011 ath9k_common: Move RX filter code to ath9k_htc
The calculation of RX filter is fairly different
between ath9k and ath9k_htc, trying to make this
common between the two drivers would result in code churn.

While at it, remove the handling of PSPOLL filter,
it can be added when(if) AP support is added to ath9k_htc.

Signed-off-by: Sujith <Sujith.Manoharan@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2010-03-31 14:46:39 -04:00
Sujith e1572c5eec ath9k_htc: Fix symbol collision with ath9k
Signed-off-by: Sujith <Sujith.Manoharan@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2010-03-24 10:26:01 -04:00
Sujith fb9987d0f7 ath9k_htc: Support for AR9271 chipset.
Features:

 * Station mode
 * IBSS mode
 * Monitor mode
 * Legacy support
 * HT support
 * TX/RX 11n Aggregation
 * HW encryption
 * LED
 * Suspend/Resume

For more information: http://wireless.kernel.org/en/users/Drivers/ath9k_htc

Signed-off-by: Sujith <Sujith.Manoharan@atheros.com>
Signed-off-by: Vasanthakumar Thiagarajan <vasanth@atheros.com>
Signed-off-by: Senthil Balasubramanian <senthilkumar@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2010-03-23 16:50:17 -04:00