Commit Graph

2316 Commits

Author SHA1 Message Date
Mohammed Shafi Shajakhan 6a6767b046 ath9k: remove obselete comments
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>
2011-08-10 14:07:43 -04:00
Mohammed Shafi Shajakhan 32359e30a6 ath9k: optimize rate control statistics
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>
2011-08-10 14:07:43 -04:00
Mohammed Shafi Shajakhan 9f3a35df3d ath9k_htc: minor clean-up
Signed-off-by: Mohammed Shafi Shajakhan <mohammed@qca.qualcomm.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-08-10 14:07:42 -04:00
John W. Linville 20adc1aecc Merge branch 'for-linville' of git://git.kernel.org/pub/scm/linux/kernel/git/kvalo/ath6kl 2011-08-10 13:51:19 -04:00
Kalle Valo ad226ec22b ath6kl: fix function name conflicts with ath9k
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>
2011-08-10 10:07:53 +03:00
John W. Linville 392e741939 Merge branch 'ath6kl-next' of master.kernel.org:/pub/scm/linux/kernel/git/kvalo/ath6kl 2011-08-09 16:02:26 -04:00
Rajkumar Manoharan e8fe733684 ath9k: Use atomic reference count for interrupt ops
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>
2011-08-09 15:52:06 -04:00
Rajkumar Manoharan a844adfd7b ath9k_hw: Fix incorrect spur_freq_sd for AR9003
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>
2011-08-09 15:52:06 -04:00
Rajkumar Manoharan b037b69326 ath9k: do not enable interrupt on set interrupt mask
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>
2011-08-09 15:52:05 -04:00
Alex Hacker 8d7763b433 ath9k_hw: use register name in place of magic value
Signed-off-by: Alex Hacker <hacker@epn.ru>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-08-09 15:52:04 -04:00
Rajkumar Manoharan f74b9d365d ath9k_hw: Update AR9003 high_power tx gain table
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>
2011-08-09 15:52:00 -04:00
Rajkumar Manoharan d116eb707c ath9k_hw: Update the radio parameters related to high_power
Signed-off-by: Rajkumar Manoharan <rmanohar@qca.qualcomm.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-08-09 15:51:59 -04:00
Rajkumar Manoharan cca1fe1aed ath9k_hw: Optimize rx descriptor processing for AR9003
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>
2011-08-09 15:51:58 -04:00
Rajkumar Manoharan 0f9dc29821 ath9k: Remove virtual wiphy specific frame type
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>
2011-08-09 15:42:38 -04:00
Rajkumar Manoharan 3f4c4bdd9d ath9k: Dump modal eeprom header
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>
2011-08-09 15:42:38 -04:00
Rajkumar Manoharan 580f010f1b ath9k: Dump base eeprom header
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>
2011-08-09 15:42:38 -04:00
Rajkumar Manoharan 1b37d3e61a ath9k_hw: Add dump_eeprom support for eeprom_def
Signed-off-by: Rajkumar Manoharan <rmanohar@qca.qualcomm.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-08-09 15:42:38 -04:00
Rajkumar Manoharan 49c99520f3 ath9k_hw: Add dump_eeprom support for AR9287
Signed-off-by: Rajkumar Manoharan <rmanohar@qca.qualcomm.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-08-09 15:42:37 -04:00
Rajkumar Manoharan 4f011a2e37 ath9k_hw: Add dump_eeprom support for eeprom_4k
Signed-off-by: Rajkumar Manoharan <rmanohar@qca.qualcomm.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-08-09 15:42:37 -04:00
Rajkumar Manoharan 2652620201 ath9k_hw: Add dump_eeprom support for AR9003
Signed-off-by: Rajkumar Manoharan <rmanohar@qca.qualcomm.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-08-09 15:42:37 -04:00
Raja Mani 197035737e ath6kl: Release the memory allocated for the firmware
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>
2011-08-09 19:45:24 +03:00
Raja Mani 9aa603578f ath6kl: Fix crash during the connection process
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>
2011-08-09 19:45:24 +03:00
Vasanthakumar Thiagarajan 91db35dae5 ath6kl: Cleanup void * in ath6kl_cfg80211_scan_node()
Signed-off-by: Vasanthakumar Thiagarajan <vthiagar@qca.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
2011-08-09 19:45:24 +03:00
Vasanthakumar Thiagarajan 8a8bc5a440 ath6kl: Use ath6kl_cfg80211_scan_node() directly instead of function pointer
Signed-off-by: Vasanthakumar Thiagarajan <vthiagar@qca.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
2011-08-09 19:45:24 +03:00
Vasanthakumar Thiagarajan 77fccc78a0 ath6kl: Remove ath6kl_wmi_iterate_nodes()
Use wlan_iterate_nodes() directly.

Signed-off-by: Vasanthakumar Thiagarajan <vthiagar@qca.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
2011-08-09 19:45:23 +03:00
Vasanthakumar Thiagarajan 39dd3fcba2 ath6kl: Pass only the needed scan_table to ath6kl_wmi_iterate_nodes()
Signed-off-by: Vasanthakumar Thiagarajan <vthiagar@qca.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
2011-08-09 19:45:23 +03:00
Vasanthakumar Thiagarajan 852bd9d995 ath6kl: Move initialization/deinitialization of scan_table to appropriate 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>
2011-08-09 19:45:23 +03:00
Vasanthakumar Thiagarajan 9d0c6bcf46 ath6kl: Cleanup parameters of wlan_node_table_init()
Signed-off-by: Vasanthakumar Thiagarajan <vthiagar@qca.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
2011-08-09 19:45:23 +03:00
Vasanthakumar Thiagarajan 46ff8d5978 ath6kl: Remove ath6kl_wmi_get_current_bssid()
Use the bssid from ath6kl directly.

Signed-off-by: Vasanthakumar Thiagarajan <vthiagar@qca.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
2011-08-09 19:45:23 +03:00
Vasanthakumar Thiagarajan 70df051688 ath6kl: Remove bssid from struct wmi
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>
2011-08-09 19:45:23 +03:00
Vasanthakumar Thiagarajan e4c7ffcb95 ath6kl: Cleanup parameters for wlan_refresh_inactive_nodes()
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>
2011-08-09 19:45:23 +03:00
Vasanthakumar Thiagarajan 7c3075e9ea ath6kl: Move scan table from wmi to ath6kl
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>
2011-08-09 19:45:22 +03:00
Vasanthakumar Thiagarajan 2865785e96 ath6kl: Cleanup void *parent_dev in struct wmi
Signed-off-by: Vasanthakumar Thiagarajan <vthiagar@qca.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
2011-08-09 19:45:22 +03:00
Kalle Valo 37ca633507 ath6kl: change aggreation timeout message from an error to a debug message
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>
2011-08-09 19:45:22 +03:00
Kalle Valo f96efb5cb1 ath6kl: remove dependency to wireless extensions
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>
2011-08-09 19:45:22 +03:00
Kalle Valo 6fd1eacec1 ath6kl: fix crash when interface is closed but scan is ongoing
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>
2011-08-09 19:45:22 +03:00
Kalle Valo cf104c2a20 ath6kl: fix atomicity in ath6kl_cfg80211_scan_node()
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>
2011-08-09 19:45:22 +03:00
Kalle Valo b2c76bbe00 ath6kl: don't force foreground scan when connected
In my setup data transfer stalls when there's data transmission during
scan. After some testing I found out that using background scan
when connected to makes the problem go away. This is more like
a workaround than a proper fix, but as the stall is so severe the
workaround is justified.

With a dual band card this increases scan time when connected from
1.9s to 4.4s. When not connected the scan time is not affected and
is the same 1.9s.

Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
2011-08-09 19:45:22 +03:00
Raja Mani 575b5f34aa ath6kl: Use bit field macros to maintain wlan enabled and disabled status
Signed-off-by: Raja Mani <rmani@qca.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
2011-08-09 19:45:22 +03:00
Raja Mani c8790cbaea ath6kl: Avoid two memset to clear src and desr mac addr variable memory in ath6kl_wmi_dot11_hdr_remove()
Signed-off-by: Raja Mani <rmani@qca.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
2011-08-09 19:45:21 +03:00
Raja Mani 5ba3ee48f2 ath6kl: Rearrange the variable and the value position in IF condition
Signed-off-by: Raja Mani <rmani@qca.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
2011-08-09 19:45:21 +03:00
Raja Mani 2588f554f0 ath6kl: Print bad trailer data only when htc fails to parse trailer info
Signed-off-by: Raja Mani <rmani@qca.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
2011-08-09 19:45:21 +03:00
Vasanthakumar Thiagarajan 58d92abc74 ath6kl: Remove unused struct ath6kl_async_reg_io_buffer
Signed-off-by: Vasanthakumar Thiagarajan <vthiagar@qca.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
2011-08-09 19:45:21 +03:00
Vasanthakumar Thiagarajan fcb820589f ath6kl: Move chk_irq_status_cnt from ath6kl_device to htc_target
Signed-off-by: Vasanthakumar Thiagarajan <vthiagar@qca.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
2011-08-09 19:45:21 +03:00
Vasanthakumar Thiagarajan 7520ceb724 ath6kl: Bypass reading irq status based on chk_irq_status_cnt
This is a regression.

Signed-off-by: Vasanthakumar Thiagarajan <vthiagar@qca.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
2011-08-09 19:45:21 +03:00
Vasanthakumar Thiagarajan 50745af7eb ath6kl: Move scatter information from ath6kl_device to htc_target
Signed-off-by: Vasanthakumar Thiagarajan <vthiagar@qca.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
2011-08-09 19:45:21 +03:00
Vasanthakumar Thiagarajan 5be8824f28 ath6kl: Move block_sz and block_mask from ath6kl_device to htc_target
Signed-off-by: Vasanthakumar Thiagarajan <vthiagar@qca.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
2011-08-09 19:45:21 +03:00
Vasanthakumar Thiagarajan 3b2f5e5145 ath6kl: Move bundle size from ath6kl_device to htc_target
Signed-off-by: Vasanthakumar Thiagarajan <vthiagar@qca.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
2011-08-09 19:45:20 +03:00
Vasanthakumar Thiagarajan df45f7f927 ath6kl: Remove callback msg_pending() and used the function directly
Signed-off-by: Vasanthakumar Thiagarajan <vthiagar@qca.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
2011-08-09 19:45:20 +03:00
Vasanthakumar Thiagarajan 23b7840a1b ath6kl: Minor cleanup in ath6kldev_submit_scat_req()
Signed-off-by: Vasanthakumar Thiagarajan <vthiagar@qca.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
2011-08-09 19:45:20 +03:00