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Source:
http://www.wikidevi.com/wiki/Intersil/p54/usb/windows
Cc: <stable@kernel.org>
Signed-off-by: Christian Lamparter <chunkeey@googlemail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Includes pkts/bytes that may have had errors, and includes
wireless headers when counting bytes.
Signed-off-by: Ben Greear <greearb@candelatech.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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This adds counters for tx and rx bytes, including any
errored packets as well as all wireless headers.
Signed-off-by: Ben Greear <greearb@candelatech.com>
Acked-by: Bruno Randolf <br1@einfach.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Initialize the rate table for WDS interfaces, and
add cases to allow WDS packets to pass the xmit and receive
tests.
Signed-off-by: Bill Jordan <bjordan@rajant.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Added a nl interface to set the peer bssid of a WDS interface.
Signed-off-by: Bill Jordan <bjordan@rajant.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Enable WDS for the ath9k driver.
Signed-off-by: Bill Jordan <bjordan@rajant.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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On association to an AP, after receiving beacons, the beacon_crc value is set.
The beacon_crc value is not reset in disassociation, but the BSS data may be
expired at a later point. When associating again, it's possible that a
beacon for the AP is not received, resulting in the beacon_ies to remain NULL.
After association, further beacons will not update the beacon data, as the
crc value of the beacon has not changed, and the beacon_crc still holds a
value matching the beacon. The beacon_ies will remain forever null.
One of the results of this is that WLAN power save cannot be entered, the STA
will remain foreven in active mode.
Fix this by adding a validation flag for the beacon_crc, which is cleared on
association.
Signed-off-by: Juuso Oikarinen <juuso.oikarinen@nokia.com>
Acked-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Move ieee80211_scan_cancel() and all other related code to
ieee80211_restart_work() as ieee80211_restart_hw() is intended to be
callable from any context.
Fix a bug that RTNL lock is not taken during ieee80211_cancel_scan().
Take local->mtx before WARN(test_bit(SCAN_HW_SCANNING, &local->scanning)
to prevent the race condition with __ieee80211_start_scan() described
here: http://marc.info/?l=linux-wireless&m=128516716810537&w=2
Signed-off-by: Stanislaw Gruszka <sgruszka@redhat.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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In the ath9k debugging feature 'wiphy' the current channel used by the
station is incorrectly displayed.This is because the channels available
are sequentially mapped from numbers 0 to 37.This mapping cannot be
changed as the channel number is also used as an array index
This fix solves the above problem by calculating the channel
number from center frequency.
Signed-off-by: Mohammed Shafi Shajakhan <mshajakhan@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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The percal struct and bitmask for the initial DC calibration are not
used anywhere, so they can be removed.
Signed-off-by: Felix Fietkau <nbd@openwrt.org
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Since the regulatory code touches the channel array, it needs to be
copied for each device instance. That way the original channel array
can also be made const.
Signed-off-by: Felix Fietkau <nbd@openwrt.org>
Cc: stable@kernel.org [all]
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Add missing unlocking of the wiphy in set_channel,
and don't try to unlock a non-existing wiphy in
set_cqm.
Cc: stable@kernel.org [2.6.35+]
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Support up to 4 virtual APs and as many virtual STA interfaces
as desired.
This patch is ported forward from a patch that Patrick McHardy
did for me against 2.6.31.
Signed-off-by: Ben Greear <greearb@candelatech.com>
Acked-by: Bruno Randolf <br1@einfach.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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The net/cfg80211.h header file isn't exported to
userspace, so there's no need for any kind of
__KERNEL__ protection in it. If it was exported,
everything else in it would need protection as
well, not just the logging stuff ...
Cc:Joe Perches <joe@perches.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Enable management frame transmission and subscribing
to management frames through nl80211 in both cfg80211
and mac80211. Also update a few places that I forgot
to update for P2P-client mode previously, and fix a
small bug with non-action frames in this API.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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We can start restarting firmware or RF kill switch can be turned on
during call to iwl_mac_add_interface(). That are normal working
conditions, so do not print call trace, just print simple message
instead.
Signed-off-by: Stanislaw Gruszka <sgruszka@redhat.com>
Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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The combined firmware ar9170.fw is preferred and supports all devices.
References to the older two-stage firmware are unnecessary.
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Signed-off-by: Felix Fietkau <nbd@openwrt.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Some user space applications only want to display survey data for
the operating channel, however there is no API to get that yet.
Signed-off-by: Felix Fietkau <nbd@openwrt.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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common->ani.noise_floor is now only used for a similar redundant debug
message similar to the one that was removed from ath9k_htc in an earlier
patch. Remove it from ath9k as well now.
Signed-off-by: Felix Fietkau <nbd@openwrt.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Signed-off-by: Felix Fietkau <nbd@openwrt.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Signed-off-by: Felix Fietkau <nbd@openwrt.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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It is unused aside from a single redundant debug message
Signed-off-by: Felix Fietkau <nbd@openwrt.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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The hardware rx-filter was essentially disabled, because
of a serve, yet unidentifiable problem with iwlagn.
Due to these circumstances the driver and mac80211 were
left with the job of filtering.
This is very unfortunate and has proven to be expensive
in terms of latency, memory and load.
Therefore the new 1.8.8.3 firmware introduces a flexible
filtering infrastructure which allows the driver to
offload some of the checks (FCS & PLCP crc check,
RA match, control frame filter, etc...) whenever possible.
Note:
This patch also includes all changes to the
shared headers files since the inclusion.
Signed-off-by: Christian Lamparter <chunkeey@googlemail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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This patch fixes an refcounting bug. Previously it
was possible to corrupt the per-device recv. filter
and monitor management counters when:
iw dev wlanX set monitor [new flags]
was issued on an active monitor interface.
Acked-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Christian Lamparter <chunkeey@googlemail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Choose first available phyX name when creating phy devices. This
means that reloading a wifi driver will not cause a change in the
name of it's phy device.
Also, allow users to rename a phy to any un-used name, including
phy%d.
Signed-off-by: Ben Greear <greearb@candelatech.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/iwlwifi/iwlwifi-2.6
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For 6050 series device, change the supported API version
Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
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Since uCode is responsible for doing DC calibration, there's no need
to let init uCode to do initial DC calibration then send results
back to driver, then driver sends the results to runtime uCode.
Driver can simply tell runtime uCode to do DC calibration.
Actually, this patch does not disable DC calib for init uCode. It just
prevent driver from saving and sending the DC calib results (from init
ucode) to runtime uCode. The driver still uses 0xffffffff in
CALIB_CFG_CMD for init ucode.
Signed-off-by: Shanyu Zhao <shanyu.zhao@intel.com>
Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
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For 6050g2 devices driver needs to set a special bit to CSR register
so that uCode can do things correctly in calibration routines.
Signed-off-by: Shanyu Zhao <shanyu.zhao@intel.com>
Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
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iwlwifi driver supports multiple devices. Since some device needs
special configuration we create a new iwl_nic_ops structure which is
configurable per device. Currently there is only one function pointer
inside this structure: additional_nic_config().
The iwl_nic_ops structure is added to the top level in struct iwl_ops,
making it easier to change per device. Duplication of the iwl_lib_ops
structure is no longer needed.
With this new ops the previous function pointer set_calib_version is
no longer needed since it is just a per device nic configuration.
As part of the code restructuring, a bug is addressed. Indication of
calib version to uCode is only needed for 6050 devices, however,
current implementation set calib version for all 6000 devices for
which DC calib is needed. To fix this, create iwl6050_ops for 6050
devices and only populate iwl_nic_ops in this structure.
Signed-off-by: Shanyu Zhao <shanyu.zhao@intel.com>
Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
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add new structures and defines need to identify 100 devices.
Signed-off-by: Jay Sternberg <jay.e.sternberg@intel.com>
Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-2.6
Conflicts:
drivers/net/wireless/iwlwifi/iwl-agn-lib.c
drivers/net/wireless/iwlwifi/iwl3945-base.c
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The WMM parameter configuration function (ieee80211_sta_wmm_params) only
configures the WMM parameters to the driver is the wmm_last_param_set
counter value is changed by the AP.
The wmm_last_param_set is initialized to -1 on association in order to ensure
the configuration is made to the driver at least once on association, but
currently this initialization is done *after* the WMM parameter configuration
function was called.
This leads to unreliability in the driver getting properly configured on first
association (depending on what counter value the AP happens to use.) When
disassociating (the wmm default parameters are configured to the driver) and
then reassociating, due to the above the WMM configuration is not set to the
driver at all.
On drivers without beacon filtering the problem is corrected by later beacons,
but on drivers with beacon filtering the WMM will remain permanently incorrectly
configured.
Fix this by moving the initialization of wmm_last_param_set to -1 before
ieee80211_sta_wmm_params is called on association.
Signed-off-by: Juuso Oikarinen <juuso.oikarinen@nokia.com>
Acked-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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IBSS started from wireless extensions is currently
missing basic rate configuration, fix this by moving
the code to generate the default to the common code
that gets invoked for both nl80211 and wext.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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This patch fixes a bug in the driver which was
exposed by CONFIG_USB_DEBUG:
"usb 1-1.6.3: BOGUS urb flags, 40 --> 0"
The transfer flag "URB_ZERO_PACKET" is only valid
for bulk urbs.
Reported-by: André Erdmann
Signed-off-by: Christian Lamparter <chunkeey@googlemail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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As reported by Ryan Niemi, some bitmasks in the register definition for the PCU
Diagnostic register (DIAG_SW) were missing a zero at the end. While at it fix
some typos and add more comments.
Signed-off-by: Bruno Randolf <br1@einfach.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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The code in ath5k_hw_get_tsf64() is time critical and will return wrong results
if we get interrupted, so disable local interrupts.
Signed-off-by: Bruno Randolf <br1@einfach.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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We use FUDGE to make sure the next TBTT is ahead of the current TU.
Since we later substract AR5K_TUNE_SW_BEACON_RESP (10) in the timer
configuration we need to make sure it is bigger than that.
Signed-off-by: Bruno Randolf <br1@einfach.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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This patch adds sanity-checks for the beacon timers and especially the ATIM
window to ath5k. It is basically the same what i did for madwifi two years ago
and fixes a problem in IBSS mode which has been described as "ramping" pings.
See the code comments for a more detailed description and these links:
http://madwifi-project.org/ticket/1154
http://madwifi-project.org/changeset/3867
http://thread.gmane.org/gmane.linux.drivers.madwifi.devel/6066
Signed-off-by: Bruno Randolf <br1@einfach.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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It's not used and it's unlikely we will ever implement ATIM.
Signed-off-by: Bruno Randolf <br1@einfach.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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David Miller complained about the driver's excessive use
of variables in __packed structs. While I did not fully
agree with his sole "performance" argument on all accounts.
I do see some room for improvement in hot-paths on
architectures without an efficient access to unaligned
elements.
This first patch (dare I say?) optimizes an important tx
hot-path in the driver: carl9170_tx_prepare.
Signed-off-by: Christian Lamparter <chunkeey@googlemail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Broadcom's Windows driver for the 4313 advertises
an ampdu density of 7 => 16 us. The AR9170 MAC on
the other hand only supports densities up to 8 us.
This patch removes the noisy WARN_ON, because
there is nothing we can do about it.
Signed-off-by: Christian Lamparter <chunkeey@googlemail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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tx_ampdu_upload was not decreased when an a-MPDU
frame had to be kicked out from the tx_pending
queues.
This broke ampdu aggregation, because the scheduler
waits until tx_ampdu_upload drops to zero, before
making the next aggregate.
Signed-off-by: Christian Lamparter <chunkeey@googlemail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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This patch removes some cruft, which survived
the RFC review phase.
Originally, carl9170_tx_ampdu_queue erroneously
dropped a lot of frames. As a result the ampdu
scheduler bogged down quite frequently and the
affected BA session timed out.
However this bug has been fixed and the WA and
its debugfs counter is no longer useful.
Signed-off-by: Christian Lamparter <chunkeey@googlemail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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"The convention seems to be angle brackets around
URLS in Kconfig."
-- Finn Thain (to update web addresses in the kernel)
Signed-off-by: Christian Lamparter <chunkeey@googlemail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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802.11n-2009 demands in 11.2.1: "
When a STA enters normal (non-APSD) PS mode, any downlink
Block ACK agreement without an associated schedule is
suspended for the duration of this PS mode."
The operative word is "suspended" and not terminated.
Signed-off-by: Christian Lamparter <chunkeey@googlemail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Association is dealt with as an atomic offchannel operation,
we do this because we don't know we are associated until we
get the associatin response from the AP. When we do get the
associatin response though we were never clearing the offchannel
state. This has a few implications, we told drivers we were
still offchannel, and the first configured TX power for the
channel does not take into account any power constraints.
For ath9k this meant ANI calibration would not start upon
association, and we'd have to wait until the first bgscan
to be triggered. There may be other issues this resolves
but I'm too lazy to comb the code to check.
Cc: stable@kernel.org
Cc: Amod Bodas <amod.bodas@atheros.com>
Cc: Vasanth Thiagarajan <vasanth.thiagarajan@atheros.com>
Signed-off-by: Luis R. Rodriguez <lrodriguez@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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iwl3945's scan_completed calls into the mac80211 stack which triggers a
warn on if there is no scan outstanding.
This can be avoided by not calling scan_completed but abort_scan in
iwl3945_request_scan in the done: branch of the function which is used
as an error out.
The done: branch seems to be an error-out branch, as, for example, if
iwl_is_ready(priv) returns false the done: branch is executed.
NOTE:
I'm not familiar with the driver at all.
I just quickly scanned as a reaction to
https://bugzilla.kernel.org/show_bug.cgi?id=17722
the users of scan_completed in the iwl3945 driver and noted the odd
discrepancy between the comment above this instance and the comment in
mac80211 scan_completed function.
Signed-off-by: Florian Mickler <florian@mickler.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Make this go away (happens when building with a separate object
directory):
Assembler messages:
Fatal error: can't create drivers/net/wireless/wl12xx/.tmp_wl12xx_platform_data.o: No such file or directory
drivers/net/wireless/wl12xx/wl12xx_platform_data.c: In function 'wl12xx_get_platform_data':
drivers/net/wireless/wl12xx/wl12xx_platform_data.c:28: error: cannot open drivers/net/wireless/wl12xx/.tmp_wl12xx_platform_data.gcno
drivers/net/wireless/wl12xx/wl12xx_platform_data.c:28: confused by earlier errors, bailing out
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Reported-by: Stephen Rothwell <sfr@canb.auug.org.au>
Cc: Signed-off-by: Ohad Ben-Cohen <ohad@wizery.com>
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