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Instead of maintaining static scan table in driver, scan list is sent
to cfg80211 stack (after parsing each scan command response).
In assoc handler (for infra and ibss network) requested BSS information
is retrieved using cfg80211_get_bss() API.
With the changes above some redundant code are removed.
Signed-off-by: Amitkumar Karwar <akarwar@marvell.com>
Signed-off-by: Yogesh Ashok Powar <yogeshp@marvell.com>
Signed-off-by: Bing Zhao <bzhao@marvell.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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If the driver gets a tx status report for an A-MPDU sent to a station that
just went to sleep, that leaves a race condition where this tx status can
trigger another A-MPDU transmission.
To fix this, check if the station is sleeping before queueing the tid.
Signed-off-by: Felix Fietkau <nbd@openwrt.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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ath9k_hw_4k_get_eeprom() overrides the eeprom value for txgain if the
minor version is not 19 or above with a value of 0.
ar9002_hw_init_mode_gain_regs() relies on this information to
determine whether this is a high power wifi card or not. The override
caused the driver to always use the 'normal' power tables even for
high power devices if their minor version was not high enough. Thus
leading to reduced power output.
This isn't needed for the AR9285; the check originated with the
AR9280 setup code which requires the EEPROM version check.
Signed-off-by: Marek Lindner <lindner_marek@yahoo.de>
Acked-by: Felix Fietkau <nbd@openwrt.org>
Acked-by: Adrian Chadd <adrian@freebsd.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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the comments are obselete as the virtual wiphy support was removed from
the driver
Signed-off-by: Mohammed Shafi Shajakhan <mohammed@qca.qualcomm.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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for the ease of debugging, we display only the rate control statistics
for currently operating mode and bandwidth
Cc: Vasanthakumar Thiagarajan <vthiagar@qca.qualcomm.com>
Cc: "Balasubramanian, senthilkumar" <senthilb@qca.qualcomm.com>
Signed-off-by: Mohammed Shafi Shajakhan <mohammed@qca.qualcomm.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Signed-off-by: Mohammed Shafi Shajakhan <mohammed@qca.qualcomm.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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RX_FLAG_HT must be included when reporting MCS rates. Without
this, mac80211 ended up dropping any frame sent at MCS index 12
or higher and that resulted in oddly random looking errors in
mac80211_hwsim tests.
Signed-off-by: Jouni Malinen <j@w1.fi>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/kvalo/ath6kl
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Stephen reported that compilation fails if both ath6kl and ath9k are
compiled in:
drivers/net/wireless/ath/ath6kl/built-in.o: In function `htc_start':
(.opd+0x600): multiple definition of `htc_start'
drivers/net/wireless/ath/ath9k/built-in.o:(.opd+0x3e40): first defined here
drivers/net/wireless/ath/ath6kl/built-in.o: In function `.htc_stop':
(.text+0x7b40): multiple definition of `.htc_stop'
drivers/net/wireless/ath/ath9k/built-in.o:(.text+0x67b34): first defined he=
re
drivers/net/wireless/ath/ath6kl/built-in.o: In function `.htc_start':
(.text+0x7d18): multiple definition of `.htc_start'
drivers/net/wireless/ath/ath9k/built-in.o:(.text+0x67ba0): first defined he=
re
drivers/net/wireless/ath/ath6kl/built-in.o: In function `htc_stop':
(.opd+0x5e8): multiple definition of `htc_stop'
drivers/net/wireless/ath/ath9k/built-in.o:(.opd+0x3e28): first defined here
To fix this add ath6kl prefix to all public functions in htc.c.
Reported-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
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master.kernel.org:/pub/scm/linux/kernel/git/kvalo/ath6kl
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Since kernel 3.0, the problems with controlling b43 devices that have
low-power (LP) PHYs have been fixed and the EXPERIMENTAL designation
can be fixed.
This patch also fixes a typo as the device supports 802.11b communications.
Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Acked-by: Rafał Miłecki <zajec5@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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We always hit the goto and skip the printk(). The original code does
the right thing even though it looks messy.
Signed-off-by: Dan Carpenter <error27@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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When toggle_irq is called for PCI devices to disable device interrupts
it used tasklet_disable to wait for a possibly running tasklet to finish.
However, on SMP systems the tasklet might still be scheduled on another CPU.
Instead, use tasklet_kill to ensure that all scheduled tasklets are finished
before returning from toggle_irq.
Furthermore, it was possible that a tasklet reenabled its interrupt even
though interrupts have been disabled already. Fix this by checking the
DEVICE_STATE_ENABLED_RADIO flag before reenabling single interrupts
during tasklet processing.
While at it also enable/kill the TBTT and PRETBTT tasklets in the
toggle_irq callback and only use tasklet_kill in stop_queue to wait
for a currently scheduled beacon update before returning.
Signed-off-by: Helmut Schaa <helmut.schaa@googlemail.com>
Signed-off-by: Ivo van Doorn <IvDoorn@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Now that the driver no longer uses the raw r/w routines, remove their definitions.
Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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The PCIe driver used raw reads and writes on the PCIe hardware.
As all of these are only affecting the configuration space, all of
then can be converted to pci_{read,write}_config_XX calls.
Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Let us enable/disable interrupts based on reference count.
By doing this we can ensure that interrupts are never be
enabled in the middle of tasklet processing. Instead of
addressing corner cases like "ath9k: avoid enabling interrupts
while processing rx", this approach handles it in generic manner.
Signed-off-by: Rajkumar Manoharan <rmanohar@qca.qualcomm.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Spur frequency was incorrectly computed with 10Mhz offset
which could cause the filter would not notch out the spur
and also this could improve rx sensitivity in HT40.
Cc: Madhan Jaganathan <madhanj@qca.qualcomm.com>
Signed-off-by: Rajkumar Manoharan <rmanohar@qca.qualcomm.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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At preset set_interrupt also enables interrupt after changing
mask. This is not necessary in all cases and also sometime it
breaks the assumption that interrupt was disabled. So let us
enable the interrupt explicity if it was disabled earlier.
This could also avoid unnecessary register ops and also helps
the follow up patch to have global ref count for interrupts ops.
Signed-off-by: Rajkumar Manoharan <rmanohar@qca.qualcomm.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Signed-off-by: Alex Hacker <hacker@epn.ru>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Add code to display driver version information in dmesg after
loading the driver successfully.
Signed-off-by: Amitkumar Karwar <akarwar@marvell.com>
Signed-off-by: Yogesh Ashok Powar <yogeshp@marvell.com>
Signed-off-by: Bing Zhao <bzhao@marvell.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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The SDIO card is now fully powered down when the network interface is
brought down.
Signed-off-by: Daniel Drake <dsd@laptop.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Modify the driver so that it does not function when the interface is
down, in preparation for runtime power management.
No commands can be run while the interface is down, so the ndo_dev_stop
routine now directly does all necessary work (including asking the device
to disconnect from the network and disabling multicast functionality)
directly.
power_save and power_restore hooks are added meaning that card drivers
can take steps to turn the device off when the interface is down.
The MAC address can now only be changed when all interfaces are down;
the new address will be programmed when an interface gets brought up.
This matches mac80211 behaviour.
Also, some small cleanups/simplifications were made in the surrounding
device handling logic.
Signed-off-by: Daniel Drake <dsd@laptop.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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The high_power tx gain table is changed to match the low_ob_db tx gain
table for both 5G and 2G.
Signed-off-by: Rajkumar Manoharan <rmanohar@qca.qualcomm.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Signed-off-by: Rajkumar Manoharan <rmanohar@qca.qualcomm.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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No need to process RxDone and ds_info status again in case
valid rx status is given.
Signed-off-by: Rajkumar Manoharan <rmanohar@qca.qualcomm.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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This patch cleanups virtual wiphy specific frametype structure
Signed-off-by: Rajkumar Manoharan <rmanohar@qca.qualcomm.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Debugfs file location:
<debugfs_mnt>/ieee80211/phy#/ath9k/modal_eeprom
Signed-off-by: Rajkumar Manoharan <rmanohar@qca.qualcomm.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Debugfs file location:
<debugfs_mnt>/ieee80211/phy#/ath9k/base_eeprom
Signed-off-by: Rajkumar Manoharan <rmanohar@qca.qualcomm.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Signed-off-by: Rajkumar Manoharan <rmanohar@qca.qualcomm.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Signed-off-by: Rajkumar Manoharan <rmanohar@qca.qualcomm.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Signed-off-by: Rajkumar Manoharan <rmanohar@qca.qualcomm.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Signed-off-by: Rajkumar Manoharan <rmanohar@qca.qualcomm.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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This ieee80211 core was found on a Netgear wndr3400.
Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Nowhere the firmware memory is freed, free it during
the device destroy process.
Signed-off-by: Raja Mani <rmani@qca.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
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Sometimes, the network manager is failing to connect to the AP due
to the below kernel crash message. The reason behind this,
after issuing the connect command to the chip, the chip is sending
disconnect event and then immediately one connect event to the host
in some random cases.
The host driver resets all states (including cfg80211 state machine)
when it receives disconnect event from the chip. But, still the host
driver reports the next received connect event to cfg80211, at that time
cfg80211 SME state would have been in IDLE state, which was causing
the below kernel crash.
Now, host driver's sme state machine is checked every time before
delivering connect event to cfg80211
WARNING: at net/wireless/sme.c:517 cfg80211_connect_result+0x10d/0x120()
[..]
Call Trace:
[<c0145732>] warn_slowpath_common+0x72/0xa0
[<c05d676d>] ? cfg80211_connect_result+0x10d/0x120
[<c05d676d>] ? cfg80211_connect_result+0x10d/0x120
[<c0145782>] warn_slowpath_null+0x22/0x30
[<c05d676d>] cfg80211_connect_result+0x10d/0x120
[<f83ff497>] ath6kl_cfg80211_connect_event+0x427/0x4f0 [ath6kl]
[<c035d26a>] ? put_dec+0x2a/0xa0
[<c035d645>] ? number+0x365/0x380
[<c0154675>] ? mod_timer+0x135/0x260
[<c035e00e>] ? format_decode+0x2fe/0x370
[<c01263c8>] ? default_spin_lock_flags+0x8/0x10
[<c05fd91f>] ? _raw_spin_lock_irqsave+0x2f/0x50
[<c0146032>] ? console_unlock+0x172/0x1c0
[<f8402659>] ath6kl_connect_event+0x89/0x400 [ath6kl]
[<f840826e>] ath6kl_wmi_control_rx+0x98e/0x1d60 [ath6kl]
[<c01335b5>] ? __wake_up+0x45/0x60
[<f84053aa>] ath6kl_rx+0x56a/0x770 [ath6kl]
[<c04d0242>] ? mmc_release_host+0x22/0x40
[<c04d9329>] ? sdio_release_host+0x19/0x30
[<f840a27a>] ? ath6kl_sdio_read_write_sync+0x7a/0xc0 [ath6kl]
[<f83f82b1>] do_rx_completion+0x41/0x50 [ath6kl]
[<f83faa6a>] htc_rxmsg_pending_handler+0x6ba/0xbd0 [ath6kl]
[<f8404bb0>] ? ath6kl_tx_data_cleanup+0x30/0x30 [ath6kl]
[<f840a1c0>] ? ath6kl_sdio_irq_handler+0x30/0x70 [ath6kl]
[<f83f7cd5>] ath6kldev_intr_bh_handler+0x2a5/0x630 [ath6kl]
[<f840a1c0>] ath6kl_sdio_irq_handler+0x30/0x70 [ath6kl]
[<c04d97c7>] sdio_irq_thread+0xc7/0x2d0
[<c013aeb0>] ? default_wake_function+0x10/0x20
[<c012fc98>] ? __wake_up_common+0x48/0x70
[<c04d9700>] ? sdio_claim_irq+0x200/0x200
[<c0163854>] kthread+0x74/0x80
[<c01637e0>] ? kthread_worker_fn+0x160/0x160
[<c0604c06>] kernel_thread_helper+0x6/0x10
Signed-off-by: Raja Mani <rmani@qca.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
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Signed-off-by: Vasanthakumar Thiagarajan <vthiagar@qca.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
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Signed-off-by: Vasanthakumar Thiagarajan <vthiagar@qca.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
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Use wlan_iterate_nodes() directly.
Signed-off-by: Vasanthakumar Thiagarajan <vthiagar@qca.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
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Signed-off-by: Vasanthakumar Thiagarajan <vthiagar@qca.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
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functions
By having scan_table in struct ath6kl, it makes sense to move initialization
to ath6kl_init() and deinitialization to ath6kl_destroy().
Signed-off-by: Vasanthakumar Thiagarajan <vthiagar@qca.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
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Signed-off-by: Vasanthakumar Thiagarajan <vthiagar@qca.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
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Use the bssid from ath6kl directly.
Signed-off-by: Vasanthakumar Thiagarajan <vthiagar@qca.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
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This is nothing but bssid of struct ath6kl.
Signed-off-by: Vasanthakumar Thiagarajan <vthiagar@qca.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
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And remove the reference to wmi in ath6kl_node_table.
Signed-off-by: Vasanthakumar Thiagarajan <vthiagar@qca.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
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It does not need to be in wmi
Signed-off-by: Vasanthakumar Thiagarajan <vthiagar@qca.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
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Signed-off-by: Vasanthakumar Thiagarajan <vthiagar@qca.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
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When I connect to my Linksys WT610N AP supporting 11n I see a lot of
aggreation timeout errors:
[ 408.885053] ath6kl: aggr timeout (st 3109 end 3140)
[ 463.872108] ath6kl: aggr timeout (st 3671 end 3702)
[ 495.010060] ath6kl: aggr timeout (st 3983 end 4014)
[ 503.604047] ath6kl: aggr timeout (st 4065 end 0)
[ 518.963047] ath6kl: aggr timeout (st 141 end 172)
[ 525.014066] ath6kl: aggr timeout (st 205 end 236)
[ 573.957051] ath6kl: aggr timeout (st 701 end 732)
[ 585.019067] ath6kl: aggr timeout (st 816 end 847)
But still the connection seems to work. To not clutter the logs change
the error message to a debug message. But add a fixme comment so that
this will be investigated.
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
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ath6kl Kconfig still had dependencies to wext, remove those as they are
not needed anymore.
Now ath6kl should not have any wext code left. Time to have a beer and
celebrate this.
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
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When ath6kl module was removed while a scan was ongoing the driver would
crash in ath6kl_cfg80211_scan_complete_event().
Fix the function not to iterate nodes when the scan is aborted. The nodes
are already freed when the module is being unloaded. This patch removes the
null check entirely as the wmi structure is not accessed anymore during
module unload.
Also fix a bug where the status was checked as a bitfield with '&' operator.
But it's not a bitfield, just a regular error code.
This is a port of my patch from ath6kl staging with the same title.
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
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ath6kl_cfg80211_scan_node() was calling cfg80211_inform_bss_frame()
with CFP_KERNEL but the function is executed with a spin lock taken.
This is wrong and the function must use GFP_ATOMIC instead.
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
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