532 Commits

Author SHA1 Message Date
John W. Linville
18d6a0f5b6 Merge branch 'wireless-next-2.6' of git://git.kernel.org/pub/scm/linux/kernel/git/iwlwifi/iwlwifi-2.6 2011-04-04 16:10:36 -04:00
Dan Carpenter
22dd2fd283 iwlwifi: remove duplicate initialization in __iwl_down()
We initialize exit_pending twice.  It's the second initialization which
is correct.  That was added in d745d472af "iwlwifi: cancel scan when
down the device".

Signed-off-by: Dan Carpenter <error27@gmail.com>
Acked-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-03-30 14:15:11 -04:00
Wey-Yi Guy
7eaa6a5e96 iwlagn: remove deprecated module parameters
Number of deprecated module parameters need to be remove for 2.6.40 kernel

Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
2011-03-25 06:58:54 -07:00
Wey-Yi Guy
f7d046f91b iwlagn: remove reference to 3945 and 4965
After driver split, remove the unused reference to 3945 and 4965

Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
2011-03-25 06:58:47 -07:00
Wey-Yi Guy
d6b8061824 iwlwifi: remove legacy isr tasklet
After driver split, no need for support legacy isr, remove it.

Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
2011-03-25 06:58:24 -07:00
Johannes Berg
c8823ec133 iwlagn: fix aggregation queue scheduler setup
iwlagn's hardware scheduler needs to be set up
with the right aggregation frame limit and
buffer sizes. To achieve this, we need to move
the hardware queue setup to when the session
becomes operational.

Tested-by: Daniel Halperin <dhalperi@cs.washington.edu>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
2011-03-25 06:57:40 -07:00
Dan Carpenter
f8a22a2b16 iwlwifi: missing unlock on error path
We should unlock here instead of returning -EINVAL directly.

Signed-off-by: Dan Carpenter <error27@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-03-21 15:17:14 -04:00
John W. Linville
106af2c99a Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-next-2.6 into for-davem 2011-03-15 14:16:48 -04:00
Johannes Berg
266af4c745 iwlagn: support off-channel TX
Add support to iwlagn for off-channel TX. The
microcode API for this is a bit strange in that
it uses a hacked-up scan command, so the scan
code needs to change quite a bit to accomodate
that and be able to send it out.

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>
2011-03-11 14:15:55 -05:00
John W. Linville
409ec36c32 Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-next-2.6 into for-davem 2011-03-11 14:11:11 -05:00
John W. Linville
85a7045a90 Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-next-2.6 into for-davem 2011-03-04 14:10:40 -05:00
Stanislaw Gruszka
410f2bb30d iwlwifi: avoid too frequent recover from statistics
Usually H/W generate statistics notify once per about 100ms, but
sometimes we can receive notify in shorter time, even 2 ms.

This can be problem for plcp health and ack health checking.

I.e. with 2 plcp errors happens randomly in 2 ms duration, we
exceed plcp delta threshold equal to 100 (2*100/2).

Also checking ack's in short time, can results not necessary false
positive and firmware reset, for example when channel is noised and
we do not receive ACKs frames or when remote device does not send
ACKs at the moment.

Patch change code to do statistic check and possible recovery only
if 99ms elapsed from last check. Forced delay should assure we have
good statistic data to estimate hardware state.

Signed-off-by: Stanislaw Gruszka <sgruszka@redhat.com>
Acked-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-03-04 14:06:50 -05:00
Stanislaw Gruszka
466a19a003 iwlwifi: move rx handlers code to iwl-rx.c
Put generic rx_handlers (except iwlagn_rx_reply_compressed_ba) to
iwl-rx.c . Make functions static and change prefix from iwlagn_ to
iwl_ . Beautify iwl_setup_rx_handlers and do some other minor coding
style changes.

Signed-off-by: Stanislaw Gruszka <sgruszka@redhat.com>
Acked-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-03-04 14:06:50 -05:00
Sergei Shtylyov
ff938e43d3 net: use pci_dev->revision, again
Several more network drivers that read the device's revision ID
from the PCI configuration register were merged after the commit
44c10138fd4bbc4b6d6bff0873c24902f2a9da65 (PCI: Change all drivers
to use pci_device->revision), so it's time to do another pass of
conversion to using the 'revision' field of 'struct pci_dev'...

Signed-off-by: Sergei Shtylyov <sshtylyov@ru.mvista.com>
Acked-by: "John W. Linville" <linville@tuxdriver.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2011-02-28 11:57:33 -08:00
Stanislaw Gruszka
ad6e82a534 iwlwifi: move check health code into iwl-rx.c
Remove check_plcp_health and check_ack_health ops methods, they are
unneeded after iwlegacy driver split. Merge check health code into to
iwl-rx.c and make functions static.

Signed-off-by: Stanislaw Gruszka <sgruszka@redhat.com>
Acked-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-02-28 14:11:27 -05:00
Stanislaw Gruszka
b7977ffaab iwlwifi: add {ack,plpc}_check module parameters
Add module ack_check, and plcp_check parameters. Ack_check is disabled
by default since is proved that check ack health can cause troubles.
Plcp_check is enabled by default.

Signed-off-by: Stanislaw Gruszka <sgruszka@redhat.com>
Acked-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-02-28 14:06:57 -05:00
Johannes Berg
7bb4568372 mac80211: make tx() operation return void
The return value of the tx operation is commonly
misused by drivers, leading to errors. All drivers
will drop frames if they fail to TX the frame, and
they must also properly manage the queues (if they
didn't, mac80211 would already warn).

Removing the ability for drivers to return a BUSY
value also allows significant cleanups of the TX
TX handling code in mac80211.

Note that this also fixes a bug in ath9k_htc, the
old "return -1" there was wrong.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Tested-by: Sedat Dilek <sedat.dilek@googlemail.com> [ath5k]
Acked-by: Gertjan van Wingerde <gwingerde@gmail.com> [rt2x00]
Acked-by: Larry Finger <Larry.Finger@lwfinger.net> [b43, rtl8187, rtlwifi]
Acked-by: Luciano Coelho <coelho@ti.com> [wl12xx]
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-02-25 15:32:34 -05:00
Wey-Yi Guy
be663ab670 iwlwifi: split the drivers for agn and legacy devices 3945/4965
Intel WiFi devices 3945 and 4965 now have their own driver in the folder

	drivers/net/wireless/iwlegacy

Add support to build these drivers independently of the driver for
AGN devices. Selecting the 3945 builds iwl3945.ko and iwl_legacy.ko,
and selecting the 4965 builds iwl4965.ko and iwl_legacy.ko. iwl-legacy.ko
contains code shared between both devices.

The 3945 is an ABG/BG device, with no support for 802.11n. The 4965 is a 2x3
ABGN device.

Signed-off-by: Meenakshi Venkataraman <meenakshi.venkataraman@intel.com>
Acked-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
2011-02-21 11:27:26 -08:00
Wey-Yi Guy
4bc85c1324 Revert "iwlwifi: split the drivers for agn and legacy devices 3945/4965"
This reverts commit aa833c4b1a928b8d3c4fcc2faaa0d6b81ea02b56.
2011-02-21 11:11:05 -08:00
Wey-Yi Guy
aa833c4b1a iwlwifi: split the drivers for agn and legacy devices 3945/4965
Intel WiFi devices 3945 and 4965 now have their own driver in the folder

	drivers/net/wireless/iwlegacy

Add support to build these drivers independently of the driver for
AGN devices. Selecting the 3945 builds iwl3945.ko and iwl_legacy.ko,
and selecting the 4965 builds iwl4965.ko and iwl_legacy.ko. iwl-legacy.ko
contains code shared between both devices.

The 3945 is an ABG/BG device, with no support for 802.11n. The 4965 is a 2x3
ABGN device.

Signed-off-by: Meenakshi Venkataraman <meenakshi.venkataraman@intel.com>
Acked-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
2011-02-21 10:57:10 -08:00
Wey-Yi Guy
73b78a2272 iwlwifi: enable 2-wire bt coex support for non-combo device
For non-combo devices, 2-wire BT coex is needed to make sure BT coex
still function with external BT devices

Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
2011-02-21 10:09:16 -08:00
Wey-Yi Guy
46d0637a12 iwlwifi: Loading correct uCode again when fail to load
During uCode loading, if the reply_alive come back with "failure",
try to load the same uCode again.

Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
2011-02-21 10:08:38 -08:00
John W. Linville
b67afe7f43 Merge ssh://master.kernel.org/pub/scm/linux/kernel/git/linville/wireless-2.6
Conflicts:
	drivers/bluetooth/ath3k.c
	drivers/bluetooth/btusb.c
2011-02-18 17:03:41 -05:00
Stanislaw Gruszka
67acad5fe5 iwlwifi: fix ack health for WiFi/BT combo devices
Combo devices have TX statistics on different place, because
struct statistics_rx_bt and struct statistics_rx have different
size. User proper values on combo devices instead of random data.

Signed-off-by: Stanislaw Gruszka <sgruszka@redhat.com>
Acked-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-02-09 16:09:50 -05:00
Stanislaw Gruszka
f266526da4 iwlwifi: cleanup iwl_good_ack_health
Make ack health code easies to read. Compared to previous
code, we do not print debug messages when expected_ack_cnt_delta == 0
and also do check against negative deltas.

Signed-off-by: Stanislaw Gruszka <sgruszka@redhat.com>
Acked-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-02-09 16:09:49 -05:00
Don Fry
3dd823e6b8 iwlagn: Re-enable RF_KILL interrupt when down
With commit 554d1d027b19265c4aa3f718b3126d2b86e09a08 only one RF_KILL
interrupt will be seen by the driver when the interface is down.

Re-enable the interrupt when it occurs to see all transitions.

Signed-off-by: Don Fry <donald.h.fry@intel.com>
Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Cc: stable@kernel.org
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-02-07 16:02:14 -05:00
Wey-Yi Guy
80b38fffab iwlwifi: fix compiling error with different configuration
When .config has different configuration, it might fail to compile
iwlwifi. fix it

Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
2011-02-06 09:31:00 -08:00
Wey-Yi Guy
187bc4f6b2 iwlagn: remove unsupported BT SCO command
During the period of BT coex changes, REPLY_BT_COEX_SCO host command
is no longer needed to support SCO/eSCO type of traffic. delete it.

Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
2011-01-31 13:22:25 -08:00
Johannes Berg
241887a2d3 iwlwifi: fix beacon notification parsing
The beacon notification changed between 4965 and
agn because the embedded TX response changed, but
iwlwifi was never updated to know about this.
Update it now so the IBSS manager status will be
tracked correctly.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
2011-01-31 13:19:39 -08:00
Johannes Berg
7b09068721 iwlwifi: use maximum aggregation size
Use the values from the peer to set up the ucode
for the right maximum number of subframes in an
aggregate. Since the ucode only tracks this per
station, use the minimum across all aggregation
sessions with this peer.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
2011-01-31 13:19:32 -08:00
Johannes Berg
9b76883284 iwlwifi: advertise max aggregate size
Allow peers to size their reorder buffer more
accurately by advertising that we'll never send
aggregates longer than the default (31).

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
2011-01-31 13:19:24 -08:00
Johannes Berg
274102a8a2 iwlwifi: support RSN IBSS
In order to support RSN IBSS, we need to
(ok actually maybe it's just easiest to)
disable group key programming so that any
group-addressed frames will be decrypted
in software which handles the per-station
keys for this easily. We could keep the
encryption in the device, but that takes
more work and seems unnecessary.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
2011-01-31 13:19:14 -08:00
Wey-Yi Guy
10480b0566 iwlwifi: check ucode loading error and restart
Driver check alive message from ucode, if it is not ok, then need
to restart the loading process. instead of checking multiple places
for failure, only need to check in once place when receive alive
message from uCode.

Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
2011-01-31 13:17:28 -08:00
Stanislaw Gruszka
9f60e7ee42 iwlwifi: introduce iwl_bt_statistics
We use priv->cfg->bt_params && priv->cfg->bt_params->bt_statistics
conditional in few places, merge it into one function.

Signed-off-by: Stanislaw Gruszka <sgruszka@redhat.com>
Acked-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-01-28 15:46:25 -05:00
Wey-Yi Guy
f35c0c5609 iwlwifi: initial P2P support
If PAN functionality is present, advertise
P2P interface type support and thus support
for P2P. However, the support is currently
somewhat incomplete -- NoA schedule isn't
added to probe responses, and 11b bitrates
may be used still, etc. Therefore, make it
all optional with a Kconfig option.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
2011-01-21 15:51:16 -08:00
Johannes Berg
940739196c iwlwifi: replace minimum slot time constant
There are a number of places where the minimum
slot time is hardcoded to 20 TU, add a new
constant for that and use it everywhere.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
2011-01-21 15:51:08 -08:00
Johannes Berg
9b9190d968 iwlwifi: implement remain-on-channel
For device supporting PAN/P2P, use the PAN
context to implement the remain-on-channel
operation using device offloads so that the
filters in the device will be programmed
correctly -- otherwise we cannot receive
any probe request frames during off-channel
periods.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2011-01-21 15:50:58 -08:00
Wey-Yi Guy
04b8e75100 iwlagn: add 2000 series pci id
Add PCI ID supports for all 2000 series devices

Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
2011-01-21 15:48:51 -08:00
Wey-Yi Guy
5ed540aecc iwlwifi: use mac80211 throughput trigger
Instead of keeping track of LED blink speed
in the driver, use the new mac80211 trigger
and link it up with an LED classdev that we
now register. This also allows users more
flexibility in how they want to have the LED
blink or not.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
2011-01-21 15:26:39 -08:00
Johannes Berg
7194207cee iwlagn: add support for waiting for notifications
In order to implement waiting for notifications,
add a structure that captures the information,
and a list of such structures that will be
traversed when a command is received from the
ucode.

Use sparse checking to make sure calls to the
prepare/wait/cancel functions are always nested
correctly.

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>
2011-01-21 15:32:20 -05:00
Johannes Berg
f945f1087f iwlagn: make iwl_rx_handle static
It's not used or likely to be needed from other
files, so it can be static.

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>
2011-01-21 15:32:20 -05:00
Johannes Berg
0b01f030d3 mac80211: track receiver's aggregation reorder buffer size
The aggregation code currently doesn't implement the
buffer size negotiation. It will always request a max
buffer size (which is fine, if a little pointless, as
the mac80211 code doesn't know and might just use 0
instead), but if the peer requests a smaller size it
isn't possible to honour this request.

In order to fix this, look at the buffer size in the
addBA response frame, keep track of it and pass it to
the driver in the ampdu_action callback when called
with the IEEE80211_AMPDU_TX_OPERATIONAL action. That
way the driver can limit the number of subframes in
aggregates appropriately.

Note that this doesn't fix any drivers apart from the
addition of the new argument -- they all need to be
updated separately to use this variable!

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-01-19 11:36:11 -05:00
Linus Torvalds
008d23e485 Merge branch 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial
* 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial: (43 commits)
  Documentation/trace/events.txt: Remove obsolete sched_signal_send.
  writeback: fix global_dirty_limits comment runtime -> real-time
  ppc: fix comment typo singal -> signal
  drivers: fix comment typo diable -> disable.
  m68k: fix comment typo diable -> disable.
  wireless: comment typo fix diable -> disable.
  media: comment typo fix diable -> disable.
  remove doc for obsolete dynamic-printk kernel-parameter
  remove extraneous 'is' from Documentation/iostats.txt
  Fix spelling milisec -> ms in snd_ps3 module parameter description
  Fix spelling mistakes in comments
  Revert conflicting V4L changes
  i7core_edac: fix typos in comments
  mm/rmap.c: fix comment
  sound, ca0106: Fix assignment to 'channel'.
  hrtimer: fix a typo in comment
  init/Kconfig: fix typo
  anon_inodes: fix wrong function name in comment
  fix comment typos concerning "consistent"
  poll: fix a typo in comment
  ...

Fix up trivial conflicts in:
 - drivers/net/wireless/iwlwifi/iwl-core.c (moved to iwl-legacy.c)
 - fs/ext4/ext4.h

Also fix missed 'diabled' typo in drivers/net/bnx2x/bnx2x.h while at it.
2011-01-13 10:05:56 -08:00
John W. Linville
6303710d7a Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-2.6 2011-01-05 14:35:41 -05:00
Stanislaw Gruszka
554d1d027b iwlagn: enable only rfkill interrupt when device is down
Since commit 6cd0b1cb872b3bf9fc5de4536404206ab74bafdd "iwlagn: fix
hw-rfkill while the interface is down", we enable interrupts when
device is not ready to receive them. However hardware, when it is in
some inconsistent state, can generate other than rfkill interrupts
and crash the system. I can reproduce crash with "kernel BUG at
drivers/net/wireless/iwlwifi/iwl-agn.c:1010!" message, when forcing
firmware restarts.

To fix only enable rfkill interrupt when down device and after probe.
I checked patch on laptop with 5100 device, rfkill change is still
passed to user space when device is down.

Signed-off-by: Stanislaw Gruszka <sgruszka@redhat.com>
Cc: stable@kernel.org
Acked-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-01-04 14:15:08 -05:00
Justin P. Mattock
62e45c14fb wireless: comment typo fix diable -> disable.
The below patch fixes a typo "diable" to "disable". Please let me know if this
is correct or not.

Signed-off-by: Justin P. Mattock <justinmattock@gmail.com>
Acked-by: Larry Finger <Larry.Finger@lwfinger.net>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
2011-01-03 16:05:53 +01:00
Wey-Yi Guy
003ea98195 iwlwifi: remove reference to Gen2
The correct name should be used for the newer devices, remove
reference to Gen2

Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
2010-12-26 10:09:02 -08:00
Johannes Berg
bdb84fec61 iwlagn: fix FH error
# iw wlan0 interface add moni0 type monitor flags control
# ip link set moni0 up

causes a continuous spew of FH_ERROR from the
device. Fix this by not setting the CTL2HOST
filter by itself -- CTL + promisc works fine.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
2010-12-26 10:08:48 -08:00
Stanislaw Gruszka
22de94de7d iwlwifi: jiffies based tx queues watchdog
This patch replace monitor/recover timer by watchdog based on time
stamp. New code allow to discover hangs more precisely.

Timeout values are currently doubled monitoring period values of
previous timer. This have to be tuned based of firmware timing
capabilities.

Tested on 3945, 4965, 5300, 6300.

Signed-off-by: Stanislaw Gruszka <sgruszka@redhat.com>
Acked-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2010-12-06 16:01:29 -05:00
Wey-Yi Guy
9f28ebc381 iwlagn: name change for bt_ch_announce module parameter
Change the module parameter name to bt_ch_inhibition from
bt_ch_announce to better describe the functionality

In order to allow Bluetooth to activate a smart AFH mechanism
and to maximize its available bandwidth the WiFi will request
BT Core to inhibit its activity in channels that interfere
with WiFi activity (and vice versa) if bt_ch_inhibition is enabled

Set module parameter "bt_ch_inhibition=0" will disable the channel
inhibition function

Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
2010-12-02 08:35:34 -08:00