Commit Graph

31536 Commits

Author SHA1 Message Date
John W. Linville 843dc6644b Merge branch 'for-linville' of git://github.com/kvalo/ath6kl 2012-03-13 14:45:40 -04:00
Kalle Valo 9df2a0b709 ath6kl: fix debug.c file mode
Commit 7504a3e1 ("ath6kl: add padding to firmware log records") accidentally
changed debug.c mode from 100644 to 100755. Revert that back to original.

Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
2012-03-13 14:36:27 +02:00
Kalle Valo b5283871ce ath6kl: use max_t() in ath6kl_cfg80211_connect()
ath6kl/cfg80211.c:589: WARNING: max() should probably be
max_t(u16, vif->listen_intvl_t, ATH6KL_MAX_WOW_LISTEN_INTL)

Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
2012-03-13 14:18:34 +02:00
Kalle Valo 7433a49010 ath6kl: fix open parenthesis alignment in ath6kl_sdio_suspend()
ath6kl/sdio.c:875: CHECK: Alignment should match open parenthesis

Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
2012-03-13 14:18:34 +02:00
Kalle Valo 06f33f13ac ath6kl: replace strict_strtoul() with kstrtoul()
Recommended by checkpatch.

Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
2012-03-13 14:18:34 +02:00
Kalle Valo b0fc7c1a64 ath6kl: fix regression in ath6kl_upload_board_file()
My patch 24fc32b3 ("ath6kl: add ath6kl_bmi_write_hi32()") caused a regression
in ath6kl_upload_board_file() and the board_address variable was not
properly initialised in some cases:

ath6kl/init.c:1068:6: warning: ‘board_address’ may be used uninitialized
in this function

Most likely this broke ar6004 support but I can't test that right now.

Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
2012-03-13 14:18:34 +02:00
David Spinadel 4db2c9aeb2 iwlwifi: Add bool mvm_ucode to iwl_fw
mvm_ucode is true when mvm TLVs arive.

Signed-off-by: David Spinadel <david.spinadel@intel.com>
Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-03-12 14:22:10 -04:00
David Spinadel 6dfa8d019c iwlwifi: change struct iwl_fw
Change iwl_fw struct to hold an array of fw_img instead of
three separated instances.

Change fw_img to hold an array of fw_desc instead of two
separate descriptors for instructions and data.

Change load_given_ucode, load_section, verification functions
etc. to support this structure.

Signed-off-by: David Spinadel <david.spinadel@intel.com>
Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-03-12 14:22:09 -04:00
David Spinadel ed8c8365c4 iwlwifi: Add TLVs and fields for 16.0 uCode
New TLVs for ucode sections that are not known as
instruction or data.

New TLVs for phy-configuration and default calibrations.

Add default calib and phy config fields to iwl_fw.

Signed-off-by: David Spinadel <david.spinadel@intel.com>
Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-03-12 14:22:08 -04:00
David Spinadel 0cedacc579 iwlwifi: more modularity in fw images and sections
Changed iwl_firmware_pieces structure to support an array of
separate images, and an array of sections for each image.

In fw_sec and fw_desc structures, added a field for
offset from the HW address, to support 16.0 uCode that
provides an offset instead of any other data about the section.
This field is filled with default values when parsing instruction
or data section.

Signed-off-by: David Spinadel <david.spinadel@intel.com>
Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-03-12 14:22:06 -04:00
David Spinadel b5ea162483 iwlwifi: explicitly track whether INIT uCode was run
Remove IWL_UCODE_NONE from enum iwl_ucode_type which,
by being the default value in 0-initialized memory,
implicitly allowed us to track whether any uCode had
ever been loaded successfully (which would have been
the INIT uCode) and instead explicitly track whether
or not INIT uCode has been run.

Signed-off-by: David Spinadel <david.spinadel@intel.com>
Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-03-12 14:22:04 -04:00
David Spinadel 8f7ffbe2b2 iwlwifi: avoid some operations if no uCode loaded
Printing the SRAM and similar testmode operations could
be triggered when no uCode is loaded; prevent those
invalid operations by tracking whether uCode is loaded.

Signed-off-by: David Spinadel <david.spinadel@intel.com>
Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-03-12 14:22:02 -04:00
Meenakshi Venkataraman 69a10b29eb iwlwifi: move wait_command_queue from shared to trans
This wait queue really belongs to the transport
layer, as it is used for sending synchronous
commands to the HW.

However, only op_mode knows about errors and
exceptional conditions, so make this queue
accessible by the op_mode.

Signed-off-by: Meenakshi Venkataraman <meenakshi.venkataraman@intel.com>
Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-03-12 14:22:00 -04:00
Johannes Berg f0d120af8f iwlwifi: convert bad state message into warning
Looking at logs, I see that we did get the bad
state message a few times for some reason, but
it doesn't indicate why or where it came from,
so make it a warning in order to identify it.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-03-12 14:21:58 -04:00
Johannes Berg d663ee73f6 iwlwifi: abstract out missing SEQ_RX_FRAME workaround
Mohammed Shafi ran into [1] the SEQ_RX_FRAME workaround
warning with a statistics notification, this means we
can't just remove it as we'd hoped.

Abstract it out so that the higher layer can configure
this as a kind of "filter" in the transport.

[1] http://mid.gmane.org/CAD2nsn1_DzbRHuSbS_1rFNzuux_9pW1-pABEasQ01_y7-ndO5w@mail.gmail.com

Reported-by: Mohammed Shafi <shafi.wireless@gmail.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-03-12 14:21:56 -04:00
Johannes Berg 10d8f31ebb iwlwifi: remove TX hex debug
Tracing is much better for this, so
remove the hex printk debug for the
TX command.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-03-12 14:21:54 -04:00
Felix Fietkau c1afdaff90 ath9k: fix going to full-sleep on PS idle
The check for PS_WAIT_FOR_TX_ACK was inverted, the hardware should only go
to full sleep if no tx is pending.

Reported-by: Sujith Manoharan <c_manoha@qca.qualcomm.com>
Signed-off-by: Felix Fietkau <nbd@openwrt.org>
Cc: stable@vger.kernel.org
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-03-12 14:21:53 -04:00
Ashok Nagarajan ffb1c56a97 ath9k: Fix mactime from being clobbered in rx_status
mactime was being overwritten by the function ath9k_rx_skb_preprocess. Fixed by
memsetting rx_status in ath_rx_tasklet.

Signed-off-by: Ashok Nagarajan <ashok@cozybit.com>
Signed-off-by: Javier Cardona <javier@cozybit.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-03-12 14:21:52 -04:00
Rajkumar Manoharan 9f61903ca2 ath9k: configure bss info at assoc notification
The proper place to configure bss info is at assoc notification. So that
ath9k continues to work if the supirous bssid notification will be
removed in future.

Cc: Johannes Berg <johannes@sipsolutions.net>
Reported-by: Sujith Manoharan <c_manoha@qca.qualcomm.com>
Signed-off-by: Rajkumar Manoharan <rmanohar@qca.qualcomm.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-03-12 14:21:51 -04:00
Helmut Schaa 290d60891e rt2x00: Fix beacon skew in rt2800pci
rt2800pci is suffering from beacon skew in AP mode. Some powersaving
clients (like VOIP phones) are getting into trouble after some time
when the beacon skew is getting too big.

The ralink legacy drivers contain a function that indicates that the
beacon timer is off by 1us per tbtt. And this function works around
that by reducing the beacon interval for every 64th beacon transmission
by 64us (the smallest possible value). Do the same in rt2800pci.

This allows proper powersaving when rt2800pci is used in AP mode.

Signed-off-by: Helmut Schaa <helmut.schaa@googlemail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-03-12 14:21:49 -04:00
Mohammed Shafi Shajakhan 3789d59c24 ath9k_hw: Fix enabling of MCI and RTT
tested in AR9462 Rev:2, both hardware capability flag are set

Signed-off-by: Mohammed Shafi Shajakhan <mohammed@qca.qualcomm.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-03-12 14:19:37 -04:00
Stanislav Yakovlev 138f07edb6 net/wireless: ipw2x00: remove unused definitions for regulatory domain
ipw2200 driver does not use these defines, it uses geo struct instead.
Therefore remove them from its header.

Note: we keep them in the ipw2100 driver's header, because the driver
still uses them.

Signed-off-by: Stanislav Yakovlev <stas.yakovlev@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-03-12 14:19:37 -04:00
Ben Greear 98b36a0295 ath9k: Add wiphy name to log messages.
On systems with multiple NICs, it's nice to know which
one is producing warnings.  Here is an example of the
new ouput:

ath: wiphy0: Failed to stop TX DMA, queues=0x005!

Signed-off-by: Ben Greear <greearb@candelatech.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-03-12 14:19:36 -04:00
Ashok Nagarajan 4e13f092f7 mac80211_hwsim: Fix set mactime on receiver hwsim radio
The patch "mac80211_hwsim:  Add tsf to beacons, probe responses and radiotap
header" was setting the mactime on wrong hwsim radio. This patch fixes it.

Signed-off-by: Ashok Nagarajan <ashok@cozybit.com>
Signed-off-by: Javier Cardona <javier@cozybit.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-03-12 14:19:35 -04:00
Sujith Manoharan bff2ec2b91 ath9k: Fix BTCOEX shutdown
Flush MCI profiles only if MCI is being actually used.
This fixes a panic on driver unload when non-MCI devices
are being used and btcoex_enable is set.

BUG: unable to handle kernel NULL pointer dereference at           (null)
IP: [<ffffffffa06296d2>] ath_mci_flush_profile+0x12/0x100 [ath9k]
Call Trace:
[<ffffffffa061befe>] ath9k_stop_btcoex+0x5e/0x80 [ath9k]
[<ffffffffa061ed57>] ath9k_stop+0xb7/0x230 [ath9k]
[<ffffffffa0533f30>] ieee80211_stop_device+0x50/0x180 [mac80211]
[<ffffffffa051f0cf>] ieee80211_do_stop+0x2af/0x6a0 [mac80211]
[<ffffffffa051f4da>] ieee80211_stop+0x1a/0x20 [mac80211]
[<ffffffff81365d96>] __dev_close_many+0x86/0xe0
[<ffffffff81365ee0>] dev_close_many+0xa0/0x110
[<ffffffff81366038>] rollback_registered_many+0xe8/0x260
[<ffffffff813661cb>] unregister_netdevice_many+0x1b/0x80
[<ffffffffa051e950>] ieee80211_remove_interfaces+0xd0/0x110 [mac80211]
[<ffffffffa050c133>] ieee80211_unregister_hw+0x53/0x120 [mac80211]
[<ffffffffa061d5a4>] ath9k_deinit_device+0x44/0x70 [ath9k]
[<ffffffffa062c1d4>] ath_pci_remove+0x54/0xa0 [ath9k]
[<ffffffff81267c46>] pci_device_remove+0x46/0x110
[<ffffffff8131021c>] __device_release_driver+0x7c/0xe0
[<ffffffff81310960>] driver_detach+0xd0/0xe0
[<ffffffff81310078>] bus_remove_driver+0x88/0xe0
[<ffffffff81311122>] driver_unregister+0x62/0xa0
[<ffffffff81268004>] pci_unregister_driver+0x44/0xc0
[<ffffffffa062c8b5>] ath_pci_exit+0x15/0x20 [ath9k]
[<ffffffffa063205d>] ath9k_exit+0x15/0x31 [ath9k]
[<ffffffff810b92cc>] sys_delete_module+0x18c/0x270
[<ffffffff814373dd>] ? retint_swapgs+0x13/0x1b
[<ffffffff8124828e>] ? trace_hardirqs_on_thunk+0x3a/0x3f
[<ffffffff81437de9>] system_call_fastpath+0x16/0x1b

Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-03-12 14:19:33 -04:00
Aarthi Thiruvengadam 17a7b16df4 ath6kl: Fix merge error in ath6kl_set_ies()
Portion of the commit id 080eec4fb4 ("ath6kl: Clear the IE in firmware
if not set") was overwritten by mistake due to a merge
conflict. This patch fixes the code back to how it should be.

kvalo: more details to the commit log

Signed-off-by: Aarthi Thiruvengadam <athiruve@qca.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
2012-03-12 09:46:56 +02:00
Wey-Yi Guy 1745e4405b iwlwifi: fix the delta for remove max_txq_num patch
BIg portion of "iwlwifi: remove max_txq_num from hw_params" was
missing during merge, here is the fix for it.

Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-03-09 14:25:14 -05:00
Wey-Yi Guy 9ba1947a89 iwlwifi: fix cmd_queue number merge
iwlwifi: move command queue number out of the iwl_shared struct
move the cmd_queue out of iwl_shared struct, but for some reason the
patch is half done and fail compile

Here is the fix

John, could you apply this patch to wireless-next to address the issue
Thanks

Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-03-09 13:20:50 -05:00
Emmanuel Grumbach 3dc420be8c iwlwifi: restore PAN support
in iwlwifi: move setting up fw parameters

Meenakshi moved code up to configure the transport layer, but this
code read the sku before it was set (from the EEPROM). This killed
P2P.
Only the ucode_flags are needed to configure the transport layer, not
the sku which _must_ be set after the EEPROM is read.

We need to reconfigure the transport in case the EEPROM disabled PAN
support. This is not the nicest thing to do, but we have no choice.
Document that we are allowed to configure the transport several times
before start_fw, but not after.

Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-03-09 11:32:59 -05:00
Meenakshi Venkataraman c6f600fcfe iwlwifi: move command queue number out of the iwl_shared struct
The command queue number is required by the transport
layer, but it can be determined only by the op mode.
Move this parameter to the dvm op mode, and configure
the transport layer using an API.

Signed-off-by: Meenakshi Venkataraman <meenakshi.venkataraman@intel.com>
Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-03-09 11:32:58 -05:00
Amitkumar Karwar 8763848e03 mwifiex: correction in number of bitrates
In recent commit "mwifiex: correct bitrates advertised..", we have
removed 22Mbps and 72Mbps bitrates from supported bitrate array.
It means number of bitrates has reduced from 14 to 12.

Initialize ".n_bitrates" to array size instead of hardcoding it.

Signed-off-by: Amitkumar Karwar <akarwar@marvell.com>
Signed-off-by: Bing Zhao <bzhao@marvell.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-03-08 14:05:08 -05:00
Stanislav Yakovlev d11f0ca012 net/wireless: ipw2x00: remove WEXT_USECHANNELS define
Driver does not use it any more.

Signed-off-by: Stanislav Yakovlev <stas.yakovlev@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-03-08 14:05:07 -05:00
Don Fry 1353a7ba7e iwlwifi: correct status bit refactoring errors
I missed a couple of status bits in my refactoring changes.  This
fixes the ones I missed.

Signed-off-by: Don Fry <donald.h.fry@intel.com>
Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-03-08 14:02:29 -05:00
Johannes Berg 974205153b iwlwifi: don't delete AP station directly
With the mac80211 deauth sequence changes, the
station is deleted before the device is set
unassociated. This can cause the device to get
confused as it expects the station to be there
while the associated bit is set.

To fix this, do not delete the AP station from
the device when mac80211 asks for deletion,
instead just mark it as unused and rely on the
unassociated RXON to drop it from the station
database in the device.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-03-08 14:02:29 -05:00
Johannes Berg e6dd5838ac iwlwifi: make iwl_init_context static
It's not needed anywhere but during init.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-03-08 14:00:01 -05:00
Johannes Berg bada991b45 iwlwifi: remove messages from queue wake/stop
The only reason we ever stop/wake queues at
the transport level is now that they become
full (or non-full), so the messages aren't
useful any more -- remove them.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-03-08 14:00:01 -05:00
Don Fry 83626404a7 iwlwifi: more status bit factoring
Continue splitting the status bits between transport and op_mode.
All but a few are separated.

Signed-off-by: Don Fry <donald.h.fry@intel.com>
Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-03-08 13:59:55 -05:00
Meenakshi Venkataraman 9bdfbfadc4 iwlwifi: move setting up fw parameters
Gather parameters required to configure the
transport layer before invoking the transport
configuration API.

Change-Id: I5b39da284af6d9b5432a08911b4e1173a4d7207d
Signed-off-by: Meenakshi Venkataraman <meenakshi.venkataraman@intel.com>
Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-03-08 13:59:55 -05:00
Meenakshi Venkataraman 92d743ae10 iwlwifi: configure transport layer from dvm op mode
Introduce the iwl_trans_config struct which contains
state variables that only the op mode can determine,
but which the transport layer needs to know.

Signed-off-by: Meenakshi Venkataraman <meenakshi.venkataraman@intel.com>
Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-03-08 13:59:55 -05:00
Emmanuel Grumbach 3251715dc5 iwlwifi: log stop / wake queues
There were a few missing occurences when we get PASSIVE_NO_RX
notification.

Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-03-08 13:59:54 -05:00
Stanislaw Gruszka 354928dd00 iwlwifi: make tx_cmd_pool kmem cache global
Otherwise we are not able to run more than one device per driver:

[   24.743045] kmem_cache_create: duplicate cache iwl_dev_cmd
[   24.743051] Pid: 3165, comm: NetworkManager Not tainted 3.3.0-rc2-wl+ #5
[   24.743054] Call Trace:
[   24.743066]  [<ffffffff811717d5>] kmem_cache_create+0x655/0x700
[   24.743101]  [<ffffffffa03b9f8b>] iwl_alive_notify+0x1cb/0x1f0 [iwlwifi]
[   24.743111]  [<ffffffffa03ba442>] iwl_load_ucode_wait_alive+0x1b2/0x220 [iwlwifi]
[   24.743142]  [<ffffffffa03ba893>] iwl_run_init_ucode+0x73/0x100 [iwlwifi]
[   24.743152]  [<ffffffffa03b8fa1>] __iwl_up+0x81/0x220 [iwlwifi]
[   24.743161]  [<ffffffffa03b91c0>] iwlagn_mac_start+0x80/0x190 [iwlwifi]
[   24.743188]  [<ffffffffa03307b3>] ieee80211_do_open+0x293/0x770 [mac80211]

Signed-off-by: Stanislaw Gruszka <sgruszka@redhat.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-03-08 13:59:54 -05:00
Don Fry 9a716863ae iwlwifi: separate status to priv and trans
The shared status bits are a mixture of transport and op mode bits.
Some are used just by one or the other, some are shared.  Begin the
de-tangling of these bits.

Signed-off-by: Don Fry <donald.h.fry@intel.com>
Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-03-08 13:59:53 -05:00
David Spinadel 18c57d3c1e iwlwifi: add option to test MFP
Add a Kconfig symbol to enable MFP for testing even
if the firmware file doesn't advertise it.

Signed-off-by: David Spinadel <david.spinadel@intel.com>
Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-03-08 13:59:53 -05:00
Amit Beka 8e81f65fdc iwlwifi: fixed testmode notifications length
The length of iwl_rx_packet doesn't include the
dword for the length itself, so add it manually.

Signed-off-by: Amit Beka <amit.beka@intel.com>
Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-03-08 13:59:52 -05:00
Amit Beka 0aef8ddc8b iwlwifi: add testmode command for rx forwarding
Added a testmode command which tells iwl_rx_dispatch
to send the RX both as a notification to nl80211 and
with the registered RX handlers.

This is used for monitoring RX from userspace while preserving
the regular flows in the driver.

Signed-off-by: Amit Beka <amit.beka@intel.com>
Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-03-08 13:59:52 -05:00
Stanislaw Gruszka 8722c899a0 iwlwifi: reintroduce iwl_enable_rfkill_int
If device is disabled by rfkill switch, do not enable all interrupts,
but only CSR_INT_BIT_RF_KILL to receive rfkill state change. Unblocking
other interrupts might cause problems, since driver can not be prepared
for receive them.

Signed-off-by: Stanislaw Gruszka <sgruszka@redhat.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-03-08 13:59:52 -05:00
Stanislaw Gruszka c2945f390d iwlwifi: print DMA stop timeout error only if it happened
iwl_poll_direct_bit() return negative error value on timeout,
positive values do not indicate an error.

Signed-off-by: Stanislaw Gruszka <sgruszka@redhat.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-03-08 13:59:51 -05:00
Stanislaw Gruszka 05f5b97ee0 iwlwifi: use writeb,writel,readl directly
That change will save us some CPU cycles at run time. Having port-based
I/O seems to be not possible for PCIe devices.

Signed-off-by: Stanislaw Gruszka <sgruszka@redhat.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-03-08 13:59:51 -05:00
Stanislaw Gruszka 3a73a30049 iwlwifi: cleanup/fix memory barriers
wmb(), rmb() are not needed when writel(), readl() are used as
accessors for MMIO. We use them indirectly via iowrite32(),
ioread32().

What is needed mmiowb(), for synchronizing writes coming from
different CPUs on PCIe bridge (see in patch comments). This
fortunately is not needed on x86, where mmiowb() is just
defined as compiler barrier. As iwlwifi devices are most likely
not used on anything other than x86, this is not so important
fix.

Signed-off-by: Stanislaw Gruszka <sgruszka@redhat.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-03-08 13:59:50 -05:00
Stanislaw Gruszka bfe4b80e9f iwlwifi: always check if got h/w access before write
Before we write to the device registers always check if
iwl_grap_nic_access() was successful.

On the way change return type of grab_nic_access() to bool, and add
likely()/unlikely() statement.

Signed-off-by: Stanislaw Gruszka <sgruszka@redhat.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-03-08 13:59:50 -05:00