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mac80211 allows us to store private data per
station, so put the station ID there. This
allows us to avoid the station ID lookup when
removing regular stations. To also be able to
avoid the lookup to remove the special IBSS
BSSID station, track its ID in the per-vif
private data.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
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Provide comments for newly added cfg parameters
Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
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Move "tx power per chain" into ucode_tx_stats, it is debugging
information provided by uCode as part of statistics notification.
The "tx power per chain" parameters are optional parameters which only
supported by 6000 series device today; those are reserved fields for all
the other devices.
Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
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When station is using an HT channel to communicate to AP and communication
is lost then driver will first be notified that channel is not an HT
channel anymore before AP station is removed. A consequence of that is that
the driver will know that it is not communicating on HT anymore, but the
rate scaling table is still under the impression it is operating in HT. Any
time after driver has been notified channel is not HT anymore there will
thus be a firmware SYSASSERT when the current active LQ command is sent.
A workaround for this issue is to not send a LQ command in the short time between
being notified channel is not HT anymore and rate scaling table being
updated.
This fixes http://bugzilla.intellinuxwireless.org/show_bug.cgi?id=2173
Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
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Currently, the broadcast station is managed along
with the interface type, rather than always being
present. That leads to a bug with injection -- it
is currently not possible to inject frames when
the only virtual interface is a monitor, because
in that the required broadcast station is missing.
Additionally, allocating and deallocating the
broadcast station's LQ all the time is wasteful,
and the code to support this is fairly complex.
So this changes completely the way we manage the
broadcast station. Rather than manage it along
with any interface, we now allocate it when we
bring the device up, and remove it again when we
bring the device down. When we bring the device
up, we don't immediately program the broadcast
station into it, instead we just mark it active
and rely on the next restore cycle to upload it
to the device. This works because an unassociated
RXON is always required at least once to set up
device parameters, which implies a reprogramming
of stations into the device.
As we now manage all stations properly, there no
longer is a need for forcing a clearing of them
via iwl_clear_ucode_stations(), which can become
a lot simpler.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
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Rename iwl_sta_init_lq to iwl_sta_alloc_lq and
move sending it out into the caller.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
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The "is_ap" argument to iwl_sta_init_lq is never true,
so it and the corresponding code can be removed. However,
it needs to have the station ID because it is also used
for the IBSS BSSID station, and that doesn't have the
broadcast ID.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
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The bssid member of struct iwl_priv is now
only used by 3945 code, so note that. It
shouldn't be used by any other code in the
future.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
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Pass the virtual interface pointer to iwl_ht_conf()
so it doesn't need to rely on iw_mode and other
global variables.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
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This check is not useful, since we now no
longer dereference priv->vif at this spot.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
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Most of the TX aggregation handling can be passed
the virtual interface directly instead of having
to rely on priv->vif.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
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Rather than keeping every bit of information
around in priv and the virtual interface, add
a virtual interface to many functions and use
the information directly from it.
This removes beacon_int, assoc_capability and
assoc_id from struct iwl_priv.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
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Since iwl_configure_filter can now sleep since
the mac80211 callback was changed, we can now
apply filter flags changes directly.
Also, while at it, make the code a bit more
generic with a local macro. There's no need
to check changed_flags since we apply all at
the same time anyway.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
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We need not check iw_mode, since we have
the vif pointer available.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
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This function is only needed by 4965, so
it need not be in core code and can be
made static.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
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We never use that member of struct iwl_priv.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
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Add plcp error checking for 3945. After threshold of plcp
is reached , it resets the radio
Signed-off-by: Abhijeet Kolekar <abhijeet.kolekar@intel.com>
Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
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The old firmware file type does not allow indicating
any firmware capabilities, which we frequently want
to make things easier.
This implements a new firmware type that is based on
a TLV structure, and adds a TLV for the maximum length
of probe requests in scans.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
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Currently the first four bytes in a firmware file
indicate the major, minor and api versions as well
as the serial number. These combined can never be
zero, so we can use that special case for a new,
future, file format.
This patch simply shuffles the code and prepares
for that new format.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
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It doesn't belong into firmware loading,
it should instead be printed after loading
the EEPROM.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
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AGN devices all use the same ucode operations,
except for 4965, because 4965 uses only v1 file
headers.
Therefore, we can remove all the indirection
we have here and just code the API distinction
in place, with a small special case for 4965.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
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As these function pointers will always point to
the 3945 functions, we can just call them directly
and avoid the indirection.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
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We currently display the build number only if debugging
is enabled, but it is really helpful so show it all the
time. Also store it so it can be retrieved later via
ethtool.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
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Currently iwlwifi will eventually exhaust the station
table when adding the BSSID station for IBSS mode,
unless the interface is set down.
The new mac80211 ibss joined/left notification allows
us to fix that easily by moving the code to add the
IBSS station to the notification, and also adding
code to remove it again when we leave the IBSS.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
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We'll need that function for IBSS station management,
so pass it the address, which is the only thing it
uses from the station struct.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
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iwl3945 should not use iwl_add_local_station(..., false)
because that would leave the IWL_STA_UCODE_INPROGRESS flag
set for the station, which is not desirable. Instead it
can use iwl3945_add_bcast_station() here.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
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When adding the broadcast station the link quality command is
generated on demand, sent to device, and disappears. It is thus not
available for later cases when we need to restore stations and need
to send the link quality command afterwards. Now, when first adding the
broadcast station, also generate its link quality command to always be
available for later restoring.
Also fix an issue when adding local stations where the "in progress" state
is never cleared.
Reported-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
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Dump the firmware version and build number in case of firmware SW
error. This would help firmware engineer analyze the error log.
Requested-by: Jay Sternberg <jay.e.sternberg@intel.com>
Signed-off-by: Shanyu Zhao <shanyu.zhao@intel.com>
Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
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Multiple error condition require fw/rf reset, driver should check all
the possible errors as long as the error checking functions for the
devices are available.
Reported-by: Reinette Chatre <reinette.chatre@intel.com>
Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
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wifi/wimax co-exist command is part of _agn device configuration
sequence; move it to iwl-agn-ucode.c which is more appropriate place for the
function.
Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
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Return -EAGAIN when request tx power information and uCode is not ready;
so it will not confuse with tx power information not available.
Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
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sensitivity calibration and chain noise calibration are not available
for all the devices; use .cfg to configure the availability of those
calibration functions
Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
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Instead of checking device type for enable/disable continuous ucode
trace function; put it in .cfg for better control and more
flexibilities.
Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
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Instead of checking device type for enable/disable tx power control,
move it to .cfg for better control and more flexibilities.
Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
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The iw_mode will always follow the only vif we
have, but using the vif directly seems easier.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
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The "chain_tx_power" debugfs function is to display the tx power per
chain based. Name it "tx_power" is misleading.
Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
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For the devices do not have power save support, remove the power save
control related debugfs files.
Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
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Port following patch to 3945.
"commit 90c4162ff59a3281b6d2f7206740be6217bd6758
Author: Johannes Berg <johannes.berg@intel.com>
Date: Wed Apr 7 00:21:36 2010 -0700
iwlwifi: fix scan races"
Signed-off-by: Abhijeet Kolekar <abhijeet.kolekar@intel.com>
Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
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Rename the current 6000 series Gen2 devices to Gen2a.
Rename the ucode name prefix to iwlwifi-6000g2a.
Also corrected the device IDs for Gen2a series devices.
Signed-off-by: Jay Sternberg <jay.e.sternberg@intel.com>
Signed-off-by: Shanyu Zhao <shanyu.zhao@intel.com>
Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
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Conflicts:
drivers/net/wireless/iwlwifi/iwl-dev.h
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When we kick off a firmware loading process,
and then unbind from the pci device right
away, we get into trouble. Avoid that by
waiting for the firmware loading to finish
(whether successfully or not) before the
unbind in iwl_pci_remove.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
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When CONFIG_NET is disabled, the attempt to build wext-priv.c
fails with:
net/wireless/wext-priv.c: In function 'ioctl_private_call':
net/wireless/wext-priv.c:207: error: implicit declaration of function 'call_commit_handler'
Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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s/X/x
Signed-off-by: Xose Vazquez Perez <xose.vazquez@gmail.com>
Acked-by: Ivo van Doorn <IvDoorn@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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With a little bit of restructuring it isn't necessary to have special
cases in rt2x00queue_write_tx_descriptor for writing the descriptor
for beacons.
Simply split off the kicking of the TX queue to a separate function
with is only called for non-beacons.
Signed-off-by: Gertjan van Wingerde <gwingerde@gmail.com>
Acked-by: Ivo van Doorn <IvDoorn@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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According to the Ralink vendor driver for rt2800 we don't need a full
TXD for a beacon but just a TXWI in front of the actual beacon.
Fix the rt2800pci and rt2800usb beaconing code accordingly.
Signed-off-by: Gertjan van Wingerde <gwingerde@gmail.com>
Acked-by: Ivo van Doorn <IvDoorn@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Preparation to fix rt2800 beaconing.
Signed-off-by: Gertjan van Wingerde <gwingerde@gmail.com>
Acked-by: Ivo van Doorn <IvDoorn@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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All of the driver's kick_tx_queue callback functions treat the TX queue
for beacons in a special manner.
Clean this up by integrating the kicking of the beacon queue into the
write_beacon callback function, and let the generic code no longer call
the kick_tx_queue callback function when updating the beacon.
Signed-off-by: Gertjan van Wingerde <gwingerde@gmail.com>
Acked-by: Ivo van Doorn <IvDoorn@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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RXWI processing is exactly the same for rt2800pci and rt2800usb, so
make it common code.
Signed-off-by: Gertjan van Wingerde <gwingerde@gmail.com>
Acked-by: Ivo van Doorn <IvDoorn@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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TXWI writing is exactly the same for rt2800pci and rt2800usb, so
make it common code.
Signed-off-by: Gertjan van Wingerde <gwingerde@gmail.com>
Acked-by: Ivo van Doorn <IvDoorn@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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We should simply follow what the hardware told us it has done.
Signed-off-by: Gertjan van Wingerde <gwingerde@gmail.com>
Acked-by: Ivo van Doorn <IvDoorn@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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